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Documentation Index

Fetch the complete documentation index at: https://docs.blnkfinance.com/llms.txt

Use this file to discover all available pages before exploring further.

This page covers the top-level flags that control operational observability (OpenTelemetry and metrics) and product heartbeat telemetry. These settings are independent from queue monitoring, which exposes a separate HTTP port for queue inspection.

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Telemetry and observability flags

Use these boolean flags to opt in to traces and metrics, or to product usage telemetry. 
BLNK_ENABLE_TELEMETRY=false
BLNK_ENABLE_OBSERVABILITY=false
DescriptionDefault
BLNK_ENABLE_OBSERVABILITYWhen true, Blnk initializes the OpenTelemetry SDK, exports traces, and serves the HTTP /metrics endpoint (Prometheus-style metrics) as wired in the server. Use this for APM, dashboards, and SRE visibility.false
BLNK_ENABLE_TELEMETRYWhen true, Blnk sends product heartbeat / usage telemetry (for example to PostHog) so the team can understand usage trends. It is not the same switch as distributed traces or /metrics.false
Please note: These flags do different things. For traces and the metrics HTTP handler, use BLNK_ENABLE_OBSERVABILITY. For optional product-level heartbeat reporting, use BLNK_ENABLE_TELEMETRY. You can enable either, both, or neither.

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