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To direct an official Sentry SDK to a self-hosted Sentry project, configure the SDK with that project’s DSN using its documented dsn option. That is the documented configuration pattern, but the available official examples do not establish that changing only the DSN works for every SDK and self-hosted Sentry release. Verify the specific SDK, release, and deployment before treating it as universal.
What the DSN does—and what you need
A Sentry project client key has associated DSN values. Sentry’s client-key API documentation shows a hosted example with an ingest.sentry.io host and a project identifier in the path. That example demonstrates the relationship between a project key and its DSN; it is not a template for a self-hosted address.
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For a self-hosted destination, identify the DSN for the project on that instance. Do not substitute a hostname or construct a URL based on the hosted example. The DSN you use must belong to the destination project and be reachable from the application running the SDK.
Configure the SDK with the destination project’s DSN
Sentry’s versioned Nest.js ESM SDK example passes a DSN string through the SDK’s dsn initialization option. The pattern is to put the destination project’s DSN in the corresponding option documented for your SDK and framework. The exact initialization code depends on that SDK; the Nest.js example is not a guarantee that every SDK or major version uses identical setup.
- Identify the destination. In the self-hosted instance, find the intended Sentry project and its client key or DSN.
- Check the matching documentation. Confirm the
dsninitialization option for your exact official SDK, framework, and version. - Set the DSN. Configure that option with the destination project’s DSN, using the SDK’s documented initialization method.
- Verify delivery. Send a test event and confirm it appears in the intended project on the self-hosted instance. If it does not, check the configured DSN, network reachability, and any deployment routing or transport requirements.
Does changing only the DSN always work?
That is not established across all official SDKs and self-hosted Sentry releases by the cited documentation. The SDK example confirms a DSN initialization option for a particular versioned Nest.js setup; it does not settle whether every SDK can send directly to every self-hosted deployment with no other changes.
Before relying on DSN-only configuration, check the documentation for both the SDK version and the self-hosted release. Also confirm that the destination’s ingest endpoint is reachable from the application and that the deployment does not require additional proxy, transport, or routing configuration. If those details are undocumented for your combination, validate delivery in your environment rather than assuming compatibility.
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Keep SDK ingest separate from the Sentry web API
The DSN used by an SDK to send events is distinct from the Sentry web API used to access platform resources. Sentry’s API reference directs readers looking for SDK APIs to separate SDK development documentation. Its discussion of API domains and regional data locations concerns API requests; it does not define the host an SDK should use for event ingest.
The API reference identifies its web API as v0 and notes that beta endpoints may change. That version label applies to the web API, not to SDK compatibility or SDK ingest behavior.
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