API & HTTP tools
Everything for designing, testing and shipping APIs: OpenAPI contract linting, breaking-change diffs, consistency audits, schema and changelog generation, a live HTTP request builder, cURL converters, GraphQL viewers, webhook inspection and WebSocket testing.
15 tools in this category · 4 sub-categories
API & HTTP
HTTP Request Builder
Send live API requests and generate curl, fetch, axios snippets.
cURL to Fetch Converter
Convert a curl command into JavaScript fetch() code.
GraphQL Query Formatter
Format and indent GraphQL queries and mutations.
cURL Command Parser
Parse a curl command into method, URL, headers, and body.
Webhook Request Inspector
Inspect a pasted webhook request and verify its HMAC signature.
GraphQL Schema Viewer
Browse a GraphQL SDL schema's types, queries, and mutations.
WebSocket Tester
Open a live WebSocket connection, send frames and read replies.
OpenAPI
API Contract Analyzer
Lint an OpenAPI or Swagger spec for contract quality issues.
API Breaking Change Detector
Diff two OpenAPI specs and flag breaking changes.
API Consistency Auditor
Audit an API for naming, casing and response consistency.
API Changelog Generator
Generate a Markdown changelog from two OpenAPI versions.