{"name":"OTEL_EXPORTER_OTLP_TRACES_PROTOCOL","slug":"otel-exporter-otlp-traces-protocol","family":"env","title":"Environment variables","noun":"environment variable","description":"You can now set standard OpenTelemetry compression and per-signal protocol variables and have them respected.","description_source":"entry","described_by":{"version":"2.1.232","anchor":"more-opentelemetry-environment-variables-passed-through"},"presence":{"first_seen":"2.1.138","removed_in":null,"in_current_build":true,"newest_mined":"2.1.309","builds":150,"mined_builds":150,"first_cited":null},"aliases":[],"entries":[{"version":"2.1.232","anchor":"more-opentelemetry-environment-variables-passed-through","heading":"More OpenTelemetry environment variables passed through","line":"You can now set standard OpenTelemetry compression and per-signal protocol variables and have them respected.","released_at":"2026-08-13 21:30:53","reason":"found in this entry's text"},{"version":"2.0.18","anchor":"opentelemetry-tracing-support-opt-in","heading":"OpenTelemetry Tracing Support (Opt-In)","line":null,"released_at":"2025-10-15 19:45:18","reason":"found in this entry's text"}],"entries_total":2,"docs":[{"source":"claude-code","path":"monitoring-usage","title":"Monitoring","documented":false}],"docs_total":1,"gates":[],"related":[{"name":"OTEL_EXPORTER_OTLP_TRACES_ENDPOINT","slug":"otel-exporter-otlp-traces-endpoint","description":"OpenTelemetry trace exports now report each export's result through a callback, except when traces go to the startup gateway"},{"name":"OTEL_EXPORTER_OTLP_TRACES_HEADERS","slug":"otel-exporter-otlp-traces-headers","description":"Comma-separated `key=value` headers for OTLP trace exports; the bundled exporters merge it over `OTEL_EXPORTER_OTLP_HEADERS`, its values winning on a clash, and send them as HTTP headers or gRPC metadata. While it is set, Claude Code skips some of its built-in routes that attach its own `Authorization: Bearer` token to trace exports."}],"url":"https:\/\/changelogs.core-directive.com\/reference\/env\/otel-exporter-otlp-traces-protocol","family_url":"https:\/\/changelogs.core-directive.com\/reference\/env.json"}