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Error Format

Errors return JSON with a detail field:
Validation errors (422) include field-level details:

Status Codes

Rate Limiting

Limits are enforced per API key and scale with your plan. Every 429 response includes a Retry-After header. On 429, implement exponential backoff:

Troubleshooting

Include the Bearer prefix: Authorization: Bearer vq_key_.... The key alone is rejected.
Set Content-Type: application/json. Check the loc field in the response to find the problematic field.