Purpose
This example API supports payment creation, payment retrieval, and refund workflows for a startup-style payments platform.
Intended consumers
- checkout applications
- finance and reconciliation tooling
- customer support operations tools
Payments example
API overview
The Startup Payments API gives product teams a compact surface for creating payments, retrieving payment state, and issuing refunds without losing the shared guidance a real integration needs.
Platform model
- AuthenticationBearer token authentication is required for every operation.
- Base URLhttps://api.startup-payments.example/v1
- VersioningBreaking changes ship in new major versions; additive changes stay in-version.
- Rate limitsRequests are rate-limited per client to protect payment and refund workflows.
Related guidance
Shared platform topics are part of the example, not separate homework.
The example includes explicit guidance for error handling, idempotency, webhooks, and authentication because those are core trust signals in payment APIs.