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15. Postman & API Testing

Tier: Pro + Agency | Part: Tools & Technology

Setting Up for Documentation Research​

Postman is how you understand an API before writing about it.

Testing Checklist Per Endpoint​

## Postman Testing — [Endpoint Name]

- [ ] Successful request (200/201)
- [ ] Authentication error (401)
- [ ] Invalid request (400/422)
- [ ] Not found (404)
- [ ] Rate limit response (429)

### Notes
- What did the response actually look like?
- Any unexpected fields in the response?
- Any undocumented behavior?

NotiFlow Postman Collection Structure​

NotiFlow API
├── Authentication
│   └── Generate API Key
├── Messages
│   ├── POST Send Message
│   ├── GET Retrieve Message
│   └── DELETE Delete Message
├── Threads
│   └── GET List Threads
└── Webhooks
    └── POST Register Webhook

Checklist​

  • Postman account set up
  • Environment variables configured (API key, base URL)
  • All endpoints tested
  • All error responses captured
  • Collection exported for buyers