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August 21, 2026 Documentation correction Action required

Affects


Teams that configure Flowker webhook triggers or external OpenAPI integrations.

What changed


Webhook triggers can declare accepted_headers; credential headers remain excluded from that immutable configuration. The documentation also clarifies the header-ingestion rules exposed through _webhook.headers. External OpenAPI integrations support static config.headers and fail closed when required headers or query parameters are absent. The documented validation outcomes are FLK-0954 for missing required inputs, FLK-0955 for malformed static headers, and FLK-0957 for invalid accepted webhook headers. This is a documentation correction of implemented contracts. It does not announce a runtime release.

Impact


Classification: Action required. A webhook or external API configuration based on the former rules can fail validation or omit required request inputs.

What you need to do


1
Review webhook accepted_headers and downstream use of _webhook.headers.
2
Confirm static headers and every required header and query parameter for external OpenAPI integrations.
3
Handle the documented validation outcomes before the next workflow deployment.

Deadline

Complete the review before the next affected workflow deployment.

Resources