Yandex API Gateway metrics
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Updated at April 28, 2025
This section describes API Gateway metrics delivered to Monitoring.
The name label contains the metric name.
All API Gateway metrics share the following labels:
| Label | Value |
|---|---|
| gateway | API gateway ID |
| path | Request path |
| service | Service label, always serverless-apigateway |
API metrics
Labels shared by all API gateway metrics:
| Label | Value |
|---|---|
| release | API gateway version |
| operation | Request method, e.g., GET and POST |
| Metric name Type, units |
Description Labels |
|---|---|
api_gateway.errors_count_per_secondDGAUGE, requests per second |
Number of error requests per second. This metric features the code label containing the response code, e.g., 200, 404, or 502. |
api_gateway.requests_count_per_secondDGAUGE, requests per second |
Number of requests per second. This metric features the code label containing the response code, e.g., 200, 404, or 502. |
api_gateway.requests_latency_millisecondsDGAUGE, milliseconds |
Response latency distribution histogram (API gateway response latency is the time span between it receiving the request's first byte and sending the response's last byte.) This metric features the bin label containing histogram buckets for latencies in milliseconds. |
api_gateway.requests_latency_milliseconds_countDGAUGE, requests |
Total requests with measured latency |
api_gateway.requests_latency_milliseconds_sumDGAUGE, milliseconds |
Total request processing latency |
WebSocket metrics
| Metric name Type, units |
Description Labels |
|---|---|
api_gateway.websocket_connections_countDGAUGE, count |
Number of active WebSocket connections |
api_gateway.websocket_disconnections_count_per_secondDGAUGE, units per second |
Number of WebSocket disconnections per second. This metric features the code label containing the response code, e.g., 200, 404, or 502. |
api_gateway.websocket_messages_bytes_per_secondDGAUGE, bytes per second |
Size of data (in bytes) sent over WebSocket connections per second. Labels:
|
api_gateway.websocket_messages_count_per_secondDGAUGE, units per second |
Number of messages sent over WebSocket connections per second. Labels:
|