API tools

Rate limits, OpenAPI specs, webhooks, and deprecation notices for APIs other people depend on.

API Rate-Limit Budget Calculator

Rate limit and usage pattern to time-until-exhausted.

Curl-to-Code Converter

Paste a curl command, get Python, JS, Go, or Rust.

Webhook Payload Validator/Formatter

Pretty-print and detect Stripe/GitHub/Slack payload shapes.

OpenAPI Validator

Structural checks on a JSON OpenAPI spec - missing responses, missing fields, broken $ref pointers.

GraphQL Query Complexity Estimator

Paste a GraphQL query - field count and nesting depth to a complexity score and risk level.

HTTP Status Code Reference

Search HTTP status codes by number or name - what each one actually means.

API Deprecation Notice Generator

Feature, replacement, sunset date - RFC 8594 Deprecation/Sunset headers plus a docs notice.

See this same kind of analysis applied to your whole repository

Call graphs, dead code, blast radius, and a health score. Results in 60 seconds, free.