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APIs & integrations

APIs and integrations

We build and document the connection between systems, including authentication, data mapping, retries and error reporting. We test failures as well as successful requests.

Request a scope

A good fit when

  • Staff copy the same data between systems
  • A website or application needs payment, email or messaging features
  • An existing platform needs a secure API for another system

Common builds

  • Payment gateway integration
  • Email and WhatsApp notifications
  • CRM and accounting connections
  • Custom REST APIs and scheduled data synchronisation

Included work

What can be scoped into the project.

  1. 01System and data mapping
  2. 02API or integration implementation
  3. 03Authentication and access controls
  4. 04Failure handling and logging
  5. 05Integration tests
  6. 06Technical documentation

Delivery

How this project runs.

We confirm what each system can support, select the source of truth for every data field and test duplicate, delayed and failed transactions before release.

The proposal records the included work, exclusions, client responsibilities, review points, timing and fees before delivery starts.

Next step

Send the first release requirements.

Request a scope

Consultation request

Tell us what you want to discuss.

Share a little context first. We will prepare the request in WhatsApp for you to review and send. Devvintel will then confirm a suitable time before sending your private Google Meet invitation.

30 minutes Google Meet By confirmation
Choose your preferred date and time
Devvintel Digitals calendarOctober 2026
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Available timesEast Africa Time

Final availability is confirmed personally before a Google Meet invitation is sent.

WhatsApp will open with your request ready to review. It is delivered only after you press Send, and it does not automatically book a meeting.