Contract
Agree on inputs and responses with the web or app team.
Go backends and REST APIs for existing products
I build APIs and services for existing products. We review contracts, error handling and maintenance before deciding whether Go is the right choice.
What an API needs to define
The proposal starts with the workflow your product needs and the constraints of the existing system.
Inputs, validation, permissions and error responses.
Safe retries and failure logs when external services are involved.
Documentation and contract tests for the web or app client.
When a Go API makes sense
Go can be worth considering for a focused service with concurrency or performance requirements. The decision also depends on the team maintaining it and what is already deployed.
Errors
Check authentication, permissions and failure handling.
Operations
Define deployment, logs and service maintenance.
Common questions
Does it have to be Go?+
Not necessarily. Go can suit focused APIs and services, but the existing codebase and maintenance cost come first.
Can you build an API for a landing page or app?+
Yes. The scope can include an endpoint, validation, CRM, notifications, logs and the documentation needed to use it.
Can you work with an existing backend?+
Yes. I generally start by assessing how to integrate with it before considering a rewrite.
Related services and guides
Tell me what needs to work.
Tell me what you have and when you need it. I will reply within one business day.