Ingest traces via the OTLP/HTTP protobuf protocol.

This endpoint accepts a serialized ExportTraceServiceRequest protobuf. Point any OTLP/HTTP collector or SDK at POST /otlp/v1/traces and spans will flow into the same ingest stream as the Agenta-native endpoints.

Use this when you already have OTel instrumentation emitting OTLP. For new integrations that don't need raw OTLP, prefer POST /tracing/spans/ingest — it takes JSON, accepts Agenta's nested shape directly, and surfaces parse failures immediately.

Content-Type and size limit

Binary protobuf only (Content-Type: application/x-protobuf). JSON OTLP is not accepted. Requests larger than the configured batch limit (default 10 MB, see AGENTA_OTLP_MAX_BATCH_BYTES) return 413 Request Entity Too Large.

Response

Successful ingest returns 200 OK with a serialized ExportTraceServiceResponse protobuf. Parse failures on the request body return 400; malformed spans return 500; quota exhaustion returns 403. Like the native ingest paths, spans are queued on a Redis stream and persisted asynchronously — see Tracing — Async write contract.