APIDownload spec

Download the API

Hand the whole API to an IDE, an LLM, a partner team, or your auditor. Same source, three formats. Updated on every Gateway release.

OpenAPI 3.1 (JSON)

Source of truth. Import to Postman, Insomnia, Bruno, RapiDoc. Generate clients with openapi-generator.

maxfi-openapi.json

Long-form Markdown

Friendly to LLM context windows. Paste into ChatGPT/Claude alongside your code so the assistant sees every endpoint.

maxfi-api.md

Printable PDF

Self-contained printable view; browser native "Save as PDF" gives searchable, tiny output. Open and ⌘P.

maxfi-api.pdf

Use with Postman / Insomnia

Right-click Import → From URL in Postman.
Paste https://dev.exezine.az/api/openapi.json.
Postman creates a collection named MAXFI Payments API with every endpoint, schema and example pre-filled.
Add a collection-level Authorization = Bearer {{MAXFI_KEY}} variable; set MAXFI_KEY in your Postman environment to your sk_test_ key.

Use with an LLM / AI coding assistant

Download maxfi-api.md and prepend it to your prompt. The whole API fits comfortably in any modern context window. The assistant will then write endpoint calls with correct field names, methods, and idempotency patterns — first try.