Offer an Eventarc source

Eventarc allows events to be asynchronously delivered from third-party providers to interested subscribers. See Eventarc for third-party events.

After a provider signs on with Eventarc, any subscriber can subscribe to that provider's events. To sign on with Eventarc, a provider must complete the following steps:

Offering an Eventarc source requires that you sign up as a provider. To offer an Eventarc source to your customers, you must complete the following steps:

  1. Register as an event provider by completing the form that captures the event details specific to your system. After you submit the form, we will contact you to discuss next steps. If you have any questions, you can email us at

  2. Once you have successfully registered as a provider, you can Configure your Eventarc source.

  3. Verify the configuration by testing the event subscription flow using the test publisher and subscriber projects you indicated during the registration.

  4. When your configuration is working as expected, email to schedule a meeting to review the developer experience, understand use cases, and discuss the launch and announcement strategy.

After launching as a provider, you can publish events to any subscribers using the publisher project indicated by you during your registration.

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