E04009 — OnboardingRecipientNotAllowed
Sends from the shared onboarding domain can only go to verified members of your workspace.
- HTTP status: 422
- Type: validation_error
- Name: OnboardingRecipientNotAllowed
What to do
Add and verify a custom sending domain to send to any recipient, then retry.
Operations that resolve this:
Related
- E04xxx — Email sending & delivery: every code in this range
- Errors: the full wire contract, status mapping, and error catalog
- Error handling: branching on type and code, validation details, and vendor_code
Related resources
Continue with the documentation, guides and examples for this topic. Resources are in English.
Understand the conceptShould I use a Bird SDK or call the API directly?Follow the learning pathBuild your first integrationImplementation guideSend your first email
Get an implementation brief