--- title: "Changes to Authenticate" method: POST path: "/v1/b2b/otps/sms/authenticate" --- # Changes to Authenticate `POST /v1/b2b/otps/sms/authenticate` > Every recorded change to this operation, newest first. ## Timeline Changed in 7 of 26 revisions. - **2026-03-07** `110f26a94e5b`: 1 info - **2026-03-06** `9cab20b8eca7`: 1 breaking - **2026-01-09** `7dfcc14e566c`: 8 breaking, 1 info - **2025-10-23** `4a2e3c0c0c05`: 5 breaking, 1 warning, 15 info - **2025-09-17** `8270cf3a3d4c`: 3 info - **2025-09-17** `25964b4a5e32`: 1 info - **2025-09-17** `864b9f438ac0`: 17 breaking ## Changes - **2026-03-07** `110f26a94e5b`: 1 info - endpoint added - **2026-03-06** `9cab20b8eca7`: 1 breaking - api path removed without deprecation - **2026-01-09** `7dfcc14e566c`: 8 breaking, 1 info - the `session_custom_claims` request property type changed from `string` to `object` - the `member/roles/items/sources/items/details` response's property type changed from `string` to `object` for status `200` - the `member/sso_registrations/items/sso_attributes` response's property type changed from `string` to `object` for status `200` - the `member/trusted_metadata` response's property type changed from `string` to `object` for status `200` - the `member/untrusted_metadata` response's property type changed from `string` to `object` for status `200` - the `member_session/custom_claims` response's property type changed from `string` to `object` for status `200` - the `organization/allowed_oauth_tenants` response's property type changed from `string` to `object` for status `200` - the `organization/trusted_metadata` response's property type changed from `string` to `object` for status `200` - added the required property `organization/custom_roles` to the response with the `200` status - **2025-10-23** `4a2e3c0c0c05`: 5 breaking, 1 warning, 15 info - added the new required request property `member_id` - added the new required request property `organization_id` - removed the required property `discovered_organizations` from the response with the `200` status - removed the required property `email_address` from the response with the `200` status - removed the required property `intermediate_session_token` from the response with the `200` status - removed the request property `email_address` - added the new optional request property `intermediate_session_token` - added the new optional request property `session_custom_claims` - added the new optional request property `session_duration_minutes` - added the new optional request property `session_jwt` - added the new optional request property `session_token` - added the new optional request property `set_default_mfa` - added the new optional request property `set_mfa_enrollment` - added the new optional request property `telemetry_id` - added the optional property `member_device` to the response with the `200` status - added the optional property `member_session` to the response with the `200` status - added the required property `member` to the response with the `200` status - added the required property `member_id` to the response with the `200` status - added the required property `organization` to the response with the `200` status - added the required property `session_jwt` to the response with the `200` status - added the required property `session_token` to the response with the `200` status - **2025-09-17** `8270cf3a3d4c`: 3 info - added the media type `application/json` for the response with the status `401` - added the media type `application/json` for the response with the status `500` - added the non-success response with the status `429` - **2025-09-17** `25964b4a5e32`: 1 info - api operation id `api_multitenant_otp_v1_b2b_otp_sms_Authenticate` removed and replaced with `api_b2b_otp_v1_b2b_otp_sms_Authenticate` - **2025-09-17** `864b9f438ac0`: 17 breaking - the `discovered_organizations/items/member_authenticated` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/email_address_verified` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/is_admin` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/is_breakglass` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/is_locked` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/mfa_enrolled` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/mfa_phone_number_verified` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/active` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/addresses/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/emails/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/entitlements/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/ims/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/phone_numbers/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/photos/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/roles/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `discovered_organizations/items/membership/member/scim_registration/scim_attributes/x509certificates/items/primary` response's property type changed from `string` to `boolean` for status `200` - the `status_code` response's property type changed from `string` to `integer`, and format from no format to `int32` for status `200` --- [Operation](https://skmtc.dev/stytch/apis/stytch-api/docs/v1/b2b/otps/sms/authenticate/post.md) - [API](https://skmtc.dev/stytch/apis/stytch-api.md) - [Page](https://skmtc.dev/stytch/apis/stytch-api/changes/v1/b2b/otps/sms/authenticate/post)