# HTTP 402 AI Tollbooth

> A Bitcoin Lightning HTTP 402 marketplace offering 203 machine-readable developer troubleshooting datasets across DevOps, APIs, ML/AI, Web/Frontend, and Databases.

## Discovery
- Catalog: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/catalog
- Categories: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/categories
- Free preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/{product}
- OpenAPI 3.1: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/openapi.json
- MCP manifest: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/.well-known/mcp.json
- Payment guide: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/docs/payment-flow

## Payment model
Requesting a paid product returns HTTP 402 with a mainnet BOLT11 invoice, payment hash, price, preview URL, and instructions. After payment, retry once with X-Payment-Hash and X-Payment-Preimage. Entry products cost 2,000 sats for 50 records; Standard costs 5,000 sats for 100; Premium costs 10,000 sats for 200.

## Record contract
Every paid record contains non-empty error_code, description, and programmatic_fix strings. Free previews return exactly three records and never require payment.

## Product catalog

### devops
- docker-debug: Docker Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/docker-debug
- docker-errors: Docker Errors — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/docker-errors
- kubernetes-repair: Kubernetes Repair — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/kubernetes-repair
- kubernetes-troubleshooting: Kubernetes Troubleshooting — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/kubernetes-troubleshooting
- terraform-remediation: Terraform Remediation — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/terraform-remediation
- terraform-state: Terraform State Recovery — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/terraform-state
- ci-cd-debug: CI/CD Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ci-cd-debug
- cicd-failures: Enterprise CI/CD Failures — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cicd-failures
- observability-signals: Observability Signals — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/observability-signals
- queue-recovery: Queue Recovery — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/queue-recovery
- kafka-triage: Kafka Triage — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/kafka-triage
- git-recovery: Git Recovery — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/git-recovery
- npm-dependency-fixes: NPM Dependency Fixes — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/npm-dependency-fixes
- python-env-repair: Python Environment Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/python-env-repair
- java-build-debug: Java Build Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/java-build-debug
- dotnet-recovery: .NET Recovery — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/dotnet-recovery
- rust-compiler-fixes: Rust Compiler Fixes — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rust-compiler-fixes
- go-module-repair: Go Module Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/go-module-repair
- php-runtime-debug: PHP Runtime Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/php-runtime-debug
- ruby-bundle-repair: Ruby Bundle Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ruby-bundle-repair
- swift-build-debug: Swift Build Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/swift-build-debug
- android-build-fixes: Android Build Fixes — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/android-build-fixes
- ios-signing-debug: iOS Signing Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ios-signing-debug
- dns-debug: DNS Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/dns-debug
- dns-resolution: Enterprise DNS Resolution — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/dns-resolution
- tls-repair: TLS Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/tls-repair
- ssl-certificate-problems: SSL Certificate Problems — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ssl-certificate-problems
- cdn-cache-debug: CDN Cache Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cdn-cache-debug
- s3-storage-debug: S3 Storage Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/s3-storage-debug
- feature-flags: Feature Flag Operations — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/feature-flags
- helm-troubleshooting: Helm Troubleshooting — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/helm-troubleshooting
- argocd-sync: Argo CD Sync Recovery — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/argocd-sync
- prometheus-alerting: Prometheus Alerting — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/prometheus-alerting
- grafana-dashboards: Grafana Dashboards — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/grafana-dashboards
- datadog-monitoring: Datadog Monitoring — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/datadog-monitoring
- istio-service-mesh: Istio Service Mesh — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/istio-service-mesh
- vault-secrets: Vault Secrets Operations — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/vault-secrets
- ansible-automation: Ansible Automation — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ansible-automation
- jenkins-pipelines: Jenkins Pipelines — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/jenkins-pipelines
- github-actions: GitHub Actions — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/github-actions
- full-stack-bundle: Full-Stack Operations Bundle — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/full-stack-bundle

### apis
- api-error-fixes: API Error Fixes — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/api-error-fixes
- http-status-codes: HTTP Status Codes — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/http-status-codes
- cors-troubleshooting: CORS Troubleshooting — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cors-troubleshooting
- webhook-debug: Webhook Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/webhook-debug
- schema-generator: Schema Generation — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/schema-generator
- test-data: API Test Data — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/test-data
- security-checklist: API Security Checklist — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/security-checklist
- security-best-practices: Security Best Practices — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/security-best-practices
- security-bundle: Security Bundle — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/security-bundle
- oauth-recovery: OAuth Recovery — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/oauth-recovery
- oauth-flow-errors: OAuth Flow Errors — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/oauth-flow-errors
- jwt-validation: JWT Validation — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/jwt-validation
- rate-limit-playbook: Rate-Limit Playbook — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rate-limit-playbook
- rate-limiting-patterns: Enterprise Rate Limiting — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rate-limiting-patterns
- openapi-repair: OpenAPI Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/openapi-repair
- graphql-debug: GraphQL Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/graphql-debug
- graphql-validation: GraphQL Validation — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/graphql-validation
- rest-contracts: REST Contracts — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rest-contracts
- grpc-recovery: gRPC Recovery — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/grpc-recovery
- grpc-error-codes: gRPC Error Codes — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/grpc-error-codes
- websocket-repair: WebSocket Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/websocket-repair
- websocket-issues: Enterprise WebSocket Issues — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/websocket-issues
- email-delivery: Email Delivery — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/email-delivery
- authn-debug: Authentication Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/authn-debug
- rbac-design: RBAC Design — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rbac-design
- secrets-hygiene: Secrets Hygiene — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/secrets-hygiene
- payment-webhooks: Payment Webhooks — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/payment-webhooks
- stripe-integration: Stripe Integration — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/stripe-integration
- enterprise-api-patterns: Enterprise API Patterns — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/enterprise-api-patterns
- twilio-api: Twilio API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/twilio-api
- sendgrid-api: SendGrid API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/sendgrid-api
- slack-api: Slack API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/slack-api
- discord-api: Discord API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/discord-api
- shopify-api: Shopify API — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/shopify-api
- salesforce-api: Salesforce API — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/salesforce-api
- hubspot-api: HubSpot API — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/hubspot-api
- plaid-api: Plaid API — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/plaid-api
- github-api: GitHub API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/github-api
- aws-api: AWS APIs — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/aws-api
- gcp-api: Google Cloud APIs — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/gcp-api
- cloudflare-api: Cloudflare API — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cloudflare-api
- saas-api-patterns: SaaS API Patterns — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/saas-api-patterns

### ml-ai
- ai-agent-guardrails: AI Agent Guardrails — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ai-agent-guardrails
- ab-testing: ML Experiment Testing — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ab-testing
- search-ranking: Search Ranking — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/search-ranking
- recommendation-systems: Recommendation Systems — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/recommendation-systems
- prompt-engineering: Prompt Engineering — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/prompt-engineering
- rag-debug: RAG Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rag-debug
- vector-db-repair: Vector Database Repair — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/vector-db-repair
- ml-inference-debug: ML Inference Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ml-inference-debug
- ml-model-debugging: ML Model Debugging — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ml-model-debugging
- openai-api: OpenAI API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/openai-api
- anthropic-api: Anthropic API — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/anthropic-api
- openai-models: OpenAI Model Operations — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/openai-models
- anthropic-models: Anthropic Model Operations — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/anthropic-models
- embeddings-pipelines: Embeddings Pipelines — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/embeddings-pipelines
- langchain-agents: LangChain Agents — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/langchain-agents
- llamaindex-rag: LlamaIndex RAG — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/llamaindex-rag
- pinecone-vector-search: Pinecone Vector Search — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/pinecone-vector-search
- weaviate-vector-search: Weaviate Vector Search — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/weaviate-vector-search
- qdrant-vector-search: Qdrant Vector Search — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/qdrant-vector-search
- chroma-vector-search: Chroma Vector Search — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/chroma-vector-search
- huggingface-transformers: Hugging Face Transformers — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/huggingface-transformers
- replicate-inference: Replicate Inference — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/replicate-inference
- stability-image-generation: Stability Image Generation — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/stability-image-generation
- cohere-reranking: Cohere Reranking — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cohere-reranking
- mistral-models: Mistral Models — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/mistral-models
- groq-api-inference: Groq API Inference — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/groq-api-inference
- fine-tuning-llms: LLM Fine-Tuning — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/fine-tuning-llms
- prompt-caching: Prompt Caching — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/prompt-caching
- token-limits: Token Limits — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/token-limits
- function-calling: Function Calling — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/function-calling
- agent-tool-use: Agent Tool Use — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/agent-tool-use
- llm-evaluations: LLM Evaluations — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/llm-evaluations
- model-quantization: Model Quantization — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/model-quantization
- gpu-memory: GPU Memory — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/gpu-memory
- inference-serving: Inference Serving — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/inference-serving
- model-monitoring: Model Monitoring — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/model-monitoring
- data-labeling: Data Labeling — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/data-labeling
- multimodal-models: Multimodal Models — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/multimodal-models
- synthetic-data: Synthetic Data — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/synthetic-data
- mlops-pipelines: MLOps Pipelines — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/mlops-pipelines

### web-frontend
- react-hydration: React Hydration — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/react-hydration
- nextjs-build-failures: Next.js Build Failures — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/nextjs-build-failures
- typescript-errors: TypeScript Errors — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/typescript-errors
- browser-automation: Browser Automation — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/browser-automation
- scraping-resilience: Scraping Resilience — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/scraping-resilience
- image-pipeline: Image Pipelines — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/image-pipeline
- pdf-generation: PDF Generation — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/pdf-generation
- frontend-runtime: Frontend Runtime — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/frontend-runtime
- vue-rendering: Vue Rendering — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/vue-rendering
- svelte-reactivity: Svelte Reactivity — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/svelte-reactivity
- angular-dependency-injection: Angular Dependency Injection — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/angular-dependency-injection
- solid-signals: SolidJS Signals — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/solid-signals
- remix-loaders: Remix Loaders — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/remix-loaders
- astro-islands: Astro Islands — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/astro-islands
- nuxt-rendering: Nuxt Rendering — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/nuxt-rendering
- tailwind-layouts: Tailwind Layouts — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/tailwind-layouts
- sass-compilation: Sass Compilation — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/sass-compilation
- webpack-bundles: Webpack Bundles — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/webpack-bundles
- vite-builds: Vite Builds — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/vite-builds
- esbuild-bundles: esbuild Bundles — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/esbuild-bundles
- turbopack-builds: Turbopack Builds — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/turbopack-builds
- swc-transforms: SWC Transforms — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/swc-transforms
- babel-transforms: Babel Transforms — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/babel-transforms
- eslint-rules: ESLint Rules — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/eslint-rules
- prettier-formatting: Prettier Formatting — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/prettier-formatting
- jest-testing: Jest Testing — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/jest-testing
- vitest-testing: Vitest Testing — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/vitest-testing
- playwright-e2e: Playwright E2E — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/playwright-e2e
- cypress-e2e: Cypress E2E — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cypress-e2e
- web-components: Web Components — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/web-components
- pwa-offline: PWA Offline — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/pwa-offline
- ssr-hydration: SSR Hydration — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/ssr-hydration
- css-layout: CSS Layout — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/css-layout
- accessibility-wcag: Web Accessibility — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/accessibility-wcag
- web-performance: Web Performance — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/web-performance
- service-workers: Service Workers — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/service-workers
- browser-security: Browser Security — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/browser-security
- frontend-state: Frontend State — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/frontend-state
- forms-validation: Forms and Validation — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/forms-validation
- design-systems: Design Systems — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/design-systems

### databases
- db-errors-basic: Database Errors Basic — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/db-errors-basic
- database-repair: Database Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/database-repair
- postgres-debug: PostgreSQL Debugging — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/postgres-debug
- postgres-errors: PostgreSQL Errors — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/postgres-errors
- mongodb-repair: MongoDB Repair — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/mongodb-repair
- redis-repair: Redis Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/redis-repair
- redis-issues: Redis Issues — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/redis-issues
- sqlite-migrations: SQLite Migrations — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/sqlite-migrations
- elastic-search: Elasticsearch — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/elastic-search
- etl-pipeline-debug: ETL Pipeline Debugging — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/etl-pipeline-debug
- csv-import-repair: CSV Import Repair — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/csv-import-repair
- mysql-performance: MySQL Performance — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/mysql-performance
- mariadb-replication: MariaDB Replication — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/mariadb-replication
- dynamodb-design: DynamoDB Design — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/dynamodb-design
- cassandra-repair: Cassandra Repair — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cassandra-repair
- cockroachdb-transactions: CockroachDB Transactions — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/cockroachdb-transactions
- planetscale-branches: PlanetScale Branches — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/planetscale-branches
- neon-postgres: Neon Postgres — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/neon-postgres
- supabase-database: Supabase Database — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/supabase-database
- firestore-queries: Firestore Queries — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/firestore-queries
- bigquery-costs: BigQuery Cost Control — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/bigquery-costs
- snowflake-warehouses: Snowflake Warehouses — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/snowflake-warehouses
- redshift-performance: Redshift Performance — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/redshift-performance
- clickhouse-analytics: ClickHouse Analytics — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/clickhouse-analytics
- timescaledb-series: TimescaleDB Time Series — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/timescaledb-series
- influxdb-metrics: InfluxDB Metrics — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/influxdb-metrics
- rabbitmq-queues: RabbitMQ Queues — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/rabbitmq-queues
- nats-streaming: NATS Streaming — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/nats-streaming
- pulsar-messaging: Apache Pulsar — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/pulsar-messaging
- memcached-caching: Memcached Caching — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/memcached-caching
- oracle-database: Oracle Database — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/oracle-database
- sql-server: SQL Server — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/sql-server
- db2-mainframe: IBM Db2 — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/db2-mainframe
- neo4j-graphs: Neo4j Graphs — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/neo4j-graphs
- fauna-transactions: Fauna Transactions — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/fauna-transactions
- duckdb-analytics: DuckDB Analytics — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/duckdb-analytics
- prisma-orm: Prisma ORM — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/prisma-orm
- drizzle-orm: Drizzle ORM — entry, 2000 sats, 50 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/drizzle-orm
- database-migrations: Database Migrations — standard, 5000 sats, 100 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/database-migrations
- data-warehousing: Data Warehousing — premium, 10000 sats, 200 records. Preview: https://http-402-ai-tollbooth.rsaun-lightning.workers.dev/api/preview/data-warehousing