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docs: rename the OTel key to INTERFERE_TELEMETRY_KEY - #32
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The OpenTelemetry pages stored the workspace telemetry key as `INTERFERE_API_KEY`. An app's build uses that name for its secret key. A project with both an app and an OpenTelemetry export then put 2 different keys in 1 variable. The OpenTelemetry ingestion page and the NestJS page now use `INTERFERE_TELEMETRY_KEY` for the Collector and for direct export. The Vercel guide does not change. Interfere reads only the header, so existing setups that use the old name keep working.
Philip Snyder (pjsny)
requested review from
Jakub Krehel (jakubkrehel),
Luke Shiels (skve) and
Wiktor Gala (vv1ktor)
as code owners
November 6, 2026 18:17
Jakub Krehel (jakubkrehel)
approved these changes
Nov 6, 2026
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Description
The OpenTelemetry pages stored the workspace telemetry key as
INTERFERE_API_KEY. An app's build uses that name for its secret key. A project with both an app and an OpenTelemetry export then put 2 different keys in 1 variable.This change renames the variable to
INTERFERE_TELEMETRY_KEYon these pages:sdk/otel-ingestion.mdx: the key setup, the Collector exporter and the direct export from a service.sdk/nestjs.mdx: the key setup and the exporter header.The Vercel guide does not change. Interfere reads only the
Authorizationheader, so existing setups that use the old name keep working.The same name is in the Interfere app (interfere/interfere#8031) and in the plugin
setupskill (interfere-inc/plugins#2).Verification
bun run format:checkpasses.bun run validatepasses.bun run check:linksfinds no broken links.