When onboarding/adding a new USPS Direct account the following information needs to be provided and verified:
TO BE PROVIDED
- CRID Number -> Complete with the CRID Number (provided by USPS)
- MID -> Complete with the MID Number (provided by USPS)
- Manifest MID -> Complete with the Manifest MID Number (provided by USPS)
- Consumer Key -> Complete with the API Key (provided by USPS)
- Consumer Secret -> Complete with the Consumer API Secret (provided by USPS)
- Sender address info -> Warehouse induction address
TO BE VERIFIED
1) The keys and IDs detailed above have been provided by USPS.
WARNING: Any missing or non-validated, incorrect setup or information will delay the setup process.

Once you have verified that information, proceed to Phase 2: Setting up the Baseline Carrier Connection:
How to set up a USPS Direct Baseline account [Step-by-Step guide]