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API Documentation & Developer Portal (OpenAPI 3.0)

Igor
Employer

Igor

9 projects
Project parameters
Type of cooperationOne-time project
Prepaymentwithout prepayment
Payment methodsCash, Bank transfer
Acceptance of requestsfrom until Aug 30, 2026
Project description
Project Description

Our REST API has 40+ endpoints but zero documentation. We need full OpenAPI 3.0 specs and a developer portal.

Deliverables
1. OpenAPI 3.0 YAML spec — all endpoints, request/response schemas, error codes
2. Interactive API docs — Swagger UI or Redoc hosted page
3. Getting Started guide — authentication, rate limits, pagination, errors
4. Code examples — cURL, PHP, JavaScript for each major endpoint
5. Changelog — version history template
6. Postman collection export

Process
We provide: API access, existing codebase docs, endpoint list
You deliver: complete docs in 21 days

Strong technical writing + API experience required.
Project author: Igor