Question: When would you likely receive a 477 error?
- If you had incorrect permissions.
- If you were going over your rate limit.
- If you were migrating your Hub to an EU hublet.
- If you had incorrect scopes.
Explanation
A 477 Migration in Progress response is returned when API calls are made while an account is being migrated to another regional data center. During that migration window, integrations may fail temporarily because HubSpot is moving account data. This is not caused by missing scopes, incorrect permissions, or rate-limit volume. The integration may need retry handling after the migration is complete. HubSpot notes that API calls during migration return this status code.
Why the other options are incorrect
Incorrect permissions This is usually tied to authorization or access errors, not the 477 migration status.
Rate limit This is usually tied to 429 errors, not 477 errors.
Incorrect scopes This usually causes permission-related failures, not migration-in-progress responses.
Source for verification
https://developers.hubspot.com/docs/api-reference/error-handling
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