Upgrade your call conversion uploads from the Google Ads API to the Data Manager API to gain access to several improvements and features.
Here's a comparison between using the Data Manager API and the Google Ads API to manage call conversions.
| Data Manager API | Google Ads API | |
|---|---|---|
| Caller phone number hashing | Uses SHA-256 hashed phone numbers in UserIdentifier.phone_number. |
Uses unhashed phone numbers in caller_id. |
| Data model | Unified data model across all Google Ads conversion use cases and all Google advertising products. | Data model is only for Google Ads use cases, and differs for each use case. |
| Quotas and limits | Project-based quotas and per-request limits. | Project-based quotas and per-request limits. |
| Error model | Uses a fast-fail model. | Uses a partial failure model. |
| Duplicate call conversions | Accepted without an error. Google Ads deduplicates call conversions after they're processed. | Rejected with a CALL_CONVERSION_ALREADY_EXISTS error. |