Hi Achyuta,
Thank you for bringing this up. Only a non test MCC account can house a developer token. Any non approved developer token can access any test Ads account in the Ads system and any approved developer token can access any account in the Ads system, so your developer token from your production MCC account can be used. What limits access to specific accounts is the refresh token used when calling the API.
Regards,
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| Aryeh |
| Google Ads API Team |
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