---
description: Implement distributed tracing in Aidbox with OTEL traces exporter parameters for request flow monitoring.
---

# OTEL traces exporter parameters

<table><thead><tr><th width="293">Setting</th><th width="149">Value type</th><th>Description</th></tr></thead><tbody><tr><td><a href="../../../reference/all-settings.md#observability.otel.traces-url">observability.otel.traces-url</a></td><td><code>string</code></td><td>The traces' consumer URL (OTEL collector receiver endpoint, Elastic EPM etc.)</td></tr><tr><td><a href="../../../reference/all-settings.md#observability.otel.traces-request-headers">observability.otel.traces-request-headers</a></td><td><code>string</code></td><td>The headers for OTEL traces requests, formatted as <code>HeaderName:HeaderValue\nHeaderName:HeaderValue</code></td></tr><tr><td><a href="../../../reference/all-settings.md#observability.otel.traces-batch-max-size">observability.otel.traces-batch-max-size</a></td><td><code>number</code></td><td>Max amount of traces in one send traces request.<br>Default value - <code>100</code></td></tr><tr><td><a href="../../../reference/all-settings.md#observability.otel.traces-batch-timeout">observability.otel.traces-batch-timeout</a></td><td><code>number</code></td><td>Timeout in milliseconds between send traces requests.<br>Default value - <code>1000</code></td></tr><tr><td><a href="../../../reference/all-settings.md#observability.otel.traces-history-size">observability.otel.traces-history-size</a></td><td><code>number</code></td><td>Traces history size on <code>telemetry $status</code> endpoint.<br>Default value - <code>10</code></td></tr></tbody></table>