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The Kashimi API is a REST API that enables licensed payment service providers to initiate bank-to-bank payments across Europe through a single integration. Rather than building and maintaining separate connections to each bank, you integrate once with Kashimi and get access to the full provider network.

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API design

  • Protocol — HTTPS only. All requests must be made over TLS.
  • Format — JSON request and response bodies throughout. Set Content-Type: application/json on all requests with a body.
  • Authentication — Bearer token via OAuth 2.0 Client Credentials. Include it on every request: 
    Authorization: Bearer <access_token>
  • IDs — All resource identifiers are UUIDs (e.g. paymentId, provider.Id).
  • Timestamps — All timestamps are in ISO 8601 format (2024-01-15T10:30:00Z).

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Base URLs

EnvironmentBase URL
Sandboxhttps://api-sandbox.kashimi.tech
Productionhttps://api.kashimi.tech

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Versioning

The current API version is v1. The version is included in every endpoint path: 
/api/v1/capabilities/providers
/api/v1/ob/payments
Breaking changes will be introduced under a new version prefix. You will be notified in advance before any version is deprecated.

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Rate limiting

If you exceed the allowed request rate, the API returns 429 Too Many Requests. Implement exponential backoff and retry logic in your integration. Contact the Kashimi team if you need higher rate limits for your use case.
Ready to start building? Head to Start Here for prerequisites, credentials setup, and a step-by-step integration walkthrough.