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When an API changes, APISynQ updates every affected app.

Discuss APISynQ Visit apisynq.com
Illustrative pull requests
  • Fix pull request checkout-web 3 call sites Green in your CI
  • Fix pull request mobile-app 2 call sites Green in your CI
  • Fix pull request billing-worker 1 call site Running your tests

It keeps happening.

  • 26 Aug 2026 OpenAI

    The Assistants API is switched off. Integrations have to move to a different API.

    Source: OpenAI announcement
  • 29 May 2025 Slack

    Reading channel history drops from 50 requests a minute to 1 for new installs of many third-party apps.

    Source: Slack changelog

  1. Detect

    Watches the APIs you depend on. External specs are polled; internal specs are checked on publish.

  2. Find

    Every affected call site, at file and line. A repo it cannot scan is reported, never called safe.

  3. Fix

    One migration pull request per affected app, quoting the real call sites.

  4. Verify

    Run against your own tests in your own CI. Nothing migrates until it is green and merged.

Both sides of the API.

If you publish an API

  • See which consumers a change would break, before release.
  • Hold the release until every affected consumer has a plan.

If you call an API

  • Define what OK means: your scenarios, your data, your environment.
  • Proven by your tests, not by a 200 response.

Agents don't browse portals. They call tools.

APISynQ runs as an MCP server, and as a command line tool.

npm i @apisynq/cli
  • whats_changed Changes across your providers
  • affected_code Affected code, at file and line
  • open_fix_pr A fix pull request for an affected app
  • sync_status Which apps are green, and which are not yet

Be ready for the next API change.

Discuss APISynQ It powers Self-Maintaining APIs