# Metering

## Emit Metering Event

> Emit one metering event for the calling workspace.

```json
{"openapi":"3.1.0","info":{"title":"Platform API","version":"1.0.0"},"servers":[{"url":"https://api.platform.amigo.ai","description":"Production"}],"security":[{"BearerAuth":[]}],"components":{"securitySchemes":{"BearerAuth":{"type":"http","scheme":"bearer","description":"API key issued via `POST /v1/{workspace_id}/api-keys`. Pass the returned `api_key` value as a Bearer token."}},"schemas":{"MeteringEmitRequest":{"properties":{"event_type":{"type":"string","maxLength":64,"minLength":1,"pattern":"^[a-z][a-z0-9._]*$","title":"Event Type"},"metering_quantity":{"type":"number","minimum":0,"title":"Metering Quantity"},"metering_source":{"type":"string","enum":["production","simulation"],"title":"Metering Source","description":"Traffic class — 'production' or 'simulation'."},"effective_at":{"anyOf":[{"type":"string","format":"date-time"},{"type":"null"}],"title":"Effective At","description":"When the event happened. Defaults to ingest time."},"metering_unit":{"anyOf":[{"type":"string","maxLength":32,"minLength":1},{"type":"null"}],"title":"Metering Unit"},"metering_metadata":{"anyOf":[{"additionalProperties":true,"type":"object"},{"type":"null"}],"title":"Metering Metadata"}},"type":"object","required":["event_type","metering_quantity","metering_source"],"title":"MeteringEmitRequest"},"MeteringEmitResponse":{"properties":{"status":{"type":"string","const":"accepted","title":"Status","description":"Emission outcome. Always 'accepted' on 202."},"event_type":{"type":"string","maxLength":64,"minLength":1,"title":"Event Type","description":"Echo of the emitted event_type."}},"type":"object","required":["status","event_type"],"title":"MeteringEmitResponse"},"HTTPValidationError":{"properties":{"detail":{"items":{"$ref":"#/components/schemas/ValidationError"},"type":"array","title":"Detail"}},"type":"object","title":"HTTPValidationError"},"ValidationError":{"properties":{"loc":{"items":{"anyOf":[{"type":"string"},{"type":"integer"}]},"type":"array","title":"Location"},"msg":{"type":"string","title":"Message"},"type":{"type":"string","title":"Error Type"},"input":{"title":"Input"},"ctx":{"type":"object","title":"Context"}},"type":"object","required":["loc","msg","type"],"title":"ValidationError"}}},"paths":{"/v1/{workspace_id}/metering/emit":{"post":{"tags":["Metering"],"summary":"Emit Metering Event","description":"Emit one metering event for the calling workspace.","operationId":"emit-metering-event","requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/MeteringEmitRequest"}}},"required":true},"responses":{"202":{"description":"Successful Response","content":{"application/json":{"schema":{"$ref":"#/components/schemas/MeteringEmitResponse"}}}},"422":{"description":"Validation Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HTTPValidationError"}}}}},"parameters":[{"name":"workspace_id","in":"path","required":true,"schema":{"type":"string","format":"uuid","title":"Workspace Id"}}]}}}}
```


---

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