The Wayback Machine - https://web.archive.org/web/20241007183057/https://docs.datadoghq.com/opentelemetry/interoperability/api_support/

Datadog tracing libraries provide an implementation of the OpenTelemetry API for instrumenting your code. This means you can maintain vendor-neutral instrumentation of all your services, while still taking advantage of Datadog’s native implementation, features, and products. You can configure it to generate Datadog-style spans and traces to be processed by the Datadog tracing library for your language, and send those to Datadog.

To learn more, follow the link for your language:

Java
Python
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go
Node.js
PHP
.Net

Further reading