A browser-based tool for designing, mocking, and testing REST APIs using an intuitive visual interface.
Every solution here is available over the API and to AI agents over MCP.
Installs https://mcp.apievangelist.com/mcp in Claude, Cursor, VS Code and the rest — one button, every client.
find_solutionsBrowse the third-party solutions registry.get_solutionOne solution in full.search_api_evangelistSearch every content type across the network at once.find_relatedThe shared-tag relevance graph — what else covers this.get_tagEverything one tag labels, across all content types.guide_topicPRO — a curated bundle for a topic: area, guidance, rules, papers, stories, services.curl "https://api.apievangelist.com/v1/solutions/api-fiddle"curl "https://api.apievangelist.com/v1/solutions/api-fiddle?include=content" \
-H "x-api-key: $AE_KEY"curl "https://api.apievangelist.com/v1/solutions/api-fiddle/related"curl "https://api.apievangelist.com/v1/solutions?limit=25"Discovery needs no key. Full bodies and the synthesis endpoints are Pro.
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