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Payment APIs and developer tools

TecFlax > Services > Fintech & Payments > Payment APIs and developer tools

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← Fintech & Payments

Do partners find it hard to connect to your payments?

Payment APIs and developer tools

RESTful APIs, webhooks and SDKs so your own apps and websites can take payments, with a sandbox to test against.

What this covers

If your business sells payments to other businesses, your API is your product, and it is judged on how quickly somebody else’s developer can get a test transaction working. We build the APIs, the webhooks and the SDKs that make that fast, along with the documentation and the sandbox environment that make it possible at all.

The work covers API design and versioning, authentication and key management, webhook delivery with retries and signature verification, and a sandbox that behaves like production including its failure cases. A sandbox that only ever succeeds teaches integrators nothing.

What’s included

  • RESTful payment APIs, designed and versioned properly
  • Webhooks with retries and signature verification
  • SDKs for the languages your integrators actually use
  • Authentication and API key management
  • A sandbox environment that reproduces failures, not just successes
  • Developer documentation written to be integrated against

Rails and technologies

RESTWebhooksSDKsSandboxAPI keys
These are the developer-facing surface of the payment gateway.
Every platform on this page can be covered by a 24/7/365 SLA support and maintenance agreement, and monitored end to end so a failing transaction flow is seen before your customers report it.

Sound familiar?

Tell us about the project and our engineers will come back with a practical proposal.

Other fintech and payments capabilities