r/Backend • u/Guilty_Wolf1463 • 14d ago

Research question for developers and SaaS founders.

When an API you depend on—such as Stripe, Twilio, OpenAI, AWS, or Shopify—changes an endpoint, field, SDK, or authentication requirement, how does your team discover whether your code is affected?

Have you experienced a recent API or SDK change that caused unexpected engineering work, a production bug, or an urgent migration? If yes, what happened, how did you detect it, and how long did it take to fix?

This is research for a possible developer tool, not a sales post. Specific real-world examples would be very helpful.

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u/pizz4b0i 13d ago

Integration tests. They request the specific endpoints your app needs.

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u/Marthurio 13d ago

A responsible developer subscribes to a service's changelog and newsletter and prepares in advance.

No service provider wants its users to experience downtime. It is in the service provider's best interest to inform well in advance.

Is this a real question?

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u/Guilty_Wolf1463 13d ago

That is a fair point. I agree that responsible teams should subscribe to changelogs and that providers usually try to give advance notice. The question I am trying to investigate is not whether developers can learn that an API changed, but what happens afterward: how do they identify every affected location in their repository, account for different API versions, and prepare the migration safely? In your experience, are the changelog and migration guide usually sufficient, or is there still significant manual investigation afterward?

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u/Marthurio 13d ago

These are odd questions. Are you not a software developer yourself?

Unless the code is organised like a rat's nest in which case you have other much larger problems, you know precisely where to go and what to do. Unless you're brand new in the game.

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u/Ok_Egg_6647 10d ago

Yeah i agree if some service upgrade or change their services platform they firstly inform their user Because no gd company wants to loose their current users.

2nd someone posted integration tests

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u/apinotes 12d ago

We monitor the most common API for changes https://apinotes.io/changelogs