`Token Management Service` Onboarding {#tms-onboarding}
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This section contains information necessary to onboard merchants and `TMS` vault management:

* [Merchant ID Hierarchy](/docs/cybs/en-us/tms/developer/ctv/rest/tms/tms-onboarding/tms-mid-hierarchy.md "")
* [Merchant ID Registration](/docs/cybs/en-us/tms/developer/ctv/rest/tms/tms-onboarding/tms-mid-reg.md "")
* [Portfolio MIDs for Partners](/docs/cybs/en-us/tms/developer/ctv/rest/tms/tms-onboarding/tms-mid-partner.md "")
* [Token Vault Management](/docs/cybs/en-us/tms/developer/ctv/rest/tms/tms-onboarding/tms-vault-hierarchy.md "")
* [Message-Level Encryption Keys](/docs/cybs/en-us/tms/developer/ctv/rest/tms/tms-onboarding/tms-mle-setup.md "")