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$ Integrations and APIs

Integrations and APIs

Connect your systems with payment gateways, WhatsApp API, and third-party services.

Data spread across many apps slows work down. We connect systems with clear APIs, with logging and error handling built in.

What we build

  • Payment gateways and reconciliation
  • WhatsApp API for notifications
  • Internal APIs and their documentation

What you get

  • API documentation
  • Error handling and retries
  • Logging for tracing
  • Integration tests in a staging environment

Technologies we use

  • REST API
  • Webhook
  • WhatsApp Business API

Common questions

How does BASH work with clients?

We start with a conversation about your needs, then write a proposal with scope, timeline, and estimated cost. The work is split into small stages with regular demos until the product is ready to launch.

Can I get a cost estimate before we start?

Yes. We prepare an estimate once the scope is clear. For projects with specific needs, we explain the cost range after the first discussion.

Does BASH provide maintenance after a project is finished?

Yes. We offer regular support for security updates, bug fixes, and small changes. The scope and cost are agreed at the start.

Who owns the code and project data?

Ownership of code, service accounts, and data is set out in a written agreement before work starts, so every party knows its rights from the beginning.

Can BASH work on projects outside Bandung?

Yes. Most software work is done online. For in-person visits, we cover Jakarta, Yogyakarta, Bandung, and Solo.

How can I contact BASH?

You can fill in the form on the Contact page, message us on WhatsApp, or send an email. We reply within 1 hour during working hours, Monday to Friday, 09:00 to 18:00.