Thanks for the clarification. The user identifiers requirement seems to contradict with the text mentioned here: https://support.google.com/google-ads/answer/16193746?hl=en#:~:text=gad_campaignid%20is%20a%20URL%20parameter%20used%20to,campaign%20will%20have%20the%20same%20gad_campaignid%20
" This is particularly important when individual identifiers like gclid *and user-provided data are not available.* " [image: contracting.png] This got me confused that only with gad_* params, conversion can be attributed without gclid or user's personal data. The above text probably needs to be updated / better explained , as it contradicts with API behaviour explained at other places in your answer reference links. On Sat, 26 Jul 2025 at 03:59, Google Ads API Forum Advisor < [email protected]> wrote: > Hi, > > Thank you for reaching out to the Google Ads API support team. > > Please be informed that I have removed your response from the forums as it > contains the PII information. > > Based on the information provided, I understand that you're including the ' > session_attributes > <https://developers.google.com/google-ads/api/reference/rpc/v20/ClickConversion#session_attributes>' > field when uploading conversions via the Google Ads API, but encountering a > REQUIRED > <https://developers.google.com/google-ads/api/reference/rpc/v20/FieldErrorEnum.FieldError#required> > field error specifically related to the missing 'GCLID' field. According to > the help center article > <https://support.google.com/google-ads/answer/16194756#about&zippy=%2Cadvanced>, > when importing offline conversions, if a 'gclid' is not available, session > attributes can be used as an alternative. However, it's also clearly stated > that OCI users must include either hashed user-provided data with > wbraid/gbraid or with session_attributes when 'GCLID' is not present. In > your request payload, it's evident that no user-provided data is being > passed, which is the primary reason for this error. > > I would recommend you to refer to this API documentation > <https://developers.google.com/google-ads/api/docs/conversions/upload-offline#:~:text=session_attributes_encoded%20and%20session_attributes_key_value_pairs> > for more detailed information. This code example > <https://developers.google.com/google-ads/api/docs/conversions/upload-offline#code_example_2> > describes you on how to pass the user identifiers > <https://developers.google.com/google-ads/api/reference/rpc/v20/UserIdentifier> > along with the session attributes field. However, I am providing you the > sample request body on how to pass the user identifiers along with the > session attributes: > > *Request Body: > ============== > *POST > https://googleads.googleapis.com/v20/customers/{customerId}:uploadClickConversions?key=[YOUR_API_KEY] > HTTP/1.1 > > developer-token: ********************** > Authorization: Bearer [YOUR_ACCESS_TOKEN] > Accept: application/json > Content-Type: application/json > > { > "conversions": [ > { > "sessionAttributesEncoded": "sessionAttributesEncoded", > "conversionAction": > "customers/{customerId}/conversionActions/{conversionActionId}", > "conversionDateTime": "2025-05-22 19:40:17-04:00", //random conversion > date time has been passed > "conversionValue": 0, > "currencyCode": "USD", > "orderId": "1234566", > "userIdentifiers": [ > { > "hashedEmail": "hashedEmailId" > } > ] > } > ], > "partialFailure": true > } > > I would request you to pass the userIdentifier > <https://developers.google.com/google-ads/api/reference/rpc/v20/UserIdentifier> > object and try to make the API call and let us know how it works from your > end. If you still encounter any issues even after following the provided > suggestion, I would request you to share the complete updated API logs ( > request > <https://developers.google.com/google-ads/api/docs/concepts/field-service#request> > and response > <https://developers.google.com/google-ads/api/docs/concepts/field-service#response> > logs with request-id > <https://developers.google.com/google-ads/api/docs/concepts/call-structure#request-id> > and request header > <https://developers.google.com/google-ads/api/docs/concepts/call-structure#request_headers>) > generated at your end to further assist you better. > > You can send the details via *Reply privately to the author option*, or > *direct > private reply* to this email. > > > Thanks, > > [image: Google Logo] Google Ads API Team > Feedback > How was our support today? > > [image: rating1] > <https://docs.google.com/forms/d/e/1FAIpQLSeRhIg5VeThVmbcD0c5DTWTDjmpJuSktN8vFelEL7_KV_Orbg/viewform?usp=pp_url&entry.141427034=1&entry.295079254=500Ht00001swpTIIAY> > [image: rating2] > <https://docs.google.com/forms/d/e/1FAIpQLSeRhIg5VeThVmbcD0c5DTWTDjmpJuSktN8vFelEL7_KV_Orbg/viewform?usp=pp_url&entry.141427034=2&entry.295079254=500Ht00001swpTIIAY> > [image: rating3] > <https://docs.google.com/forms/d/e/1FAIpQLSeRhIg5VeThVmbcD0c5DTWTDjmpJuSktN8vFelEL7_KV_Orbg/viewform?usp=pp_url&entry.141427034=3&entry.295079254=500Ht00001swpTIIAY> > [image: rating4] > <https://docs.google.com/forms/d/e/1FAIpQLSeRhIg5VeThVmbcD0c5DTWTDjmpJuSktN8vFelEL7_KV_Orbg/viewform?usp=pp_url&entry.141427034=4&entry.295079254=500Ht00001swpTIIAY> > [image: rating5] > <https://docs.google.com/forms/d/e/1FAIpQLSeRhIg5VeThVmbcD0c5DTWTDjmpJuSktN8vFelEL7_KV_Orbg/viewform?usp=pp_url&entry.141427034=5&entry.295079254=500Ht00001swpTIIAY> > [2025-07-25 22:28:59Z GMT] This message is in relation to case > "ref:!00D1U01174p.!500Ht01swpTI:ref" (ADR-00320287) > > > -- -- =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ Also find us on our blog: https://googleadsdeveloper.blogspot.com/ =~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~=~ You received this message because you are subscribed to the Google Groups "AdWords API and Google Ads API Forum" group. 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