Downloads
Pre-built API collections generated from the canonical OpenAPI spec at build time. Never shipped with a live key — replace the api_key variable with your own tk_test_ sandbox key before sending requests.
- Postman collection (v2.1)
Import into Postman. Fill in the api_key collection variable with your tk_test_ sandbox key.
- Insomnia export (v4)
Import into Insomnia. Base environment ships base_url and api_key variables — replace the api_key with your tk_test_ key.
- OpenAPI 3.1 JSON
Machine-readable contract for every v1 merchant-facing endpoint. Suitable for code generation (openapi-generator, openapi-typescript, etc.).
Using the collection
- Download the file above.
- Import it into Postman or Insomnia (File → Import).
- Edit the
api_keyvariable and paste yourtk_test_sandbox key (Merchant Dashboard → Settings → API Keys). - Start with
GET /v1/ratesto confirm auth, then tryPOST /v1/paymentswith a minimal body.