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Root GET /?ids= multi-object lookup returns an error from 2026-10-27 ​

Provider
Meta
Endpoint
GET /*
Effective
2026-10-27
Severity
critical
Change
version-sunset
Status
verified

What changed ​

Graph API dropped legacy protocol features: root requests of the form GET /?ids=a,b (or /{version}/?ids=) return an error on v26.0+ since 2026-07-29 and on all supported versions from 2026-10-27. Meta does not state the error code.

What to do ​

Replace each GET /?ids=... call with one request per object, or send the per-object requests in a single batch request (POST / with a batch parameter), and merge the results in your code.

Sources ​

Check your code ​

bash
npx shapi-cli scan .

shapi scan lists the call sites this change affects; shapi fix repairs them test-first when the advisory has an automatic fix. All advisories · Markdown · OSV · JSON