--- title: "Changes to Start device login" method: POST path: "/v1/login/device" --- # Changes to Start device login `POST /v1/login/device` > Every recorded change to this endpoint, newest first. ## Timeline Changed in 2 of 50 revisions. - **2026-07-03** `3f7925dc651d` — 4 breaking, 6 info - **2026-06-05** `3985c6090c91` — 22 breaking, 4 warning, 76 info ## Changes - **2026-07-03** `3f7925dc651d` — 4 breaking, 6 info - removed the required property `device_code` from the response with the `200` status - removed the required property `expires_in` from the response with the `200` status - removed the required property `interval` from the response with the `200` status - removed the required property `verification_uri` from the response with the `200` status - added the required property `deviceCode` to the response with the `200` status - added the required property `expiresInSeconds` to the response with the `200` status - added the required property `intervalSeconds` to the response with the `200` status - added the required property `loginUrl` to the response with the `200` status - added the required property `userCode` to the response with the `200` status - added the required property `verificationUri` to the response with the `200` status - **2026-06-05** `3985c6090c91` — 22 breaking, 4 warning, 76 info - the response property `checkout_url` became nullable for the status `400` - the response property `checkout_url` became nullable for the status `401` - the response property `checkout_url` became nullable for the status `429` - the response property `checkout_url` became nullable for the status `500` - the response property `checkout_url` became optional for the status `400` - the response property `checkout_url` became optional for the status `401` - the response property `checkout_url` became optional for the status `429` - the response property `checkout_url` became optional for the status `500` - the `agent_instruction` response property's maxLength was unset from `1000` for the response status `400` - the `agent_instruction` response property's maxLength was unset from `1000` for the response status `401` - the `agent_instruction` response property's maxLength was unset from `1000` for the response status `429` - the `agent_instruction` response property's maxLength was unset from `1000` for the response status `500` - the `message` response property's maxLength was unset from `240` for the response status `400` - the `message` response property's maxLength was unset from `240` for the response status `401` - the `message` response property's maxLength was unset from `240` for the response status `429` - the `message` response property's maxLength was unset from `240` for the response status `500` - removed the required property `deviceCode` from the response with the `200` status - removed the required property `expiresInSeconds` from the response with the `200` status - removed the required property `intervalSeconds` from the response with the `200` status - removed the required property `loginUrl` from the response with the `200` status - removed the required property `userCode` from the response with the `200` status - removed the required property `verificationUri` from the response with the `200` status - the optional response header `Retry-After` removed for the status `200` - the optional response header `Retry-After` removed for the status `400` - the optional response header `Retry-After` removed for the status `401` - the optional response header `Retry-After` removed for the status `500` - removed the `database_unavailable` enum value from the `code` response property for the response status `400` - removed the `database_unavailable` enum value from the `code` response property for the response status `401` - removed the `database_unavailable` enum value from the `code` response property for the response status `429` - removed the `database_unavailable` enum value from the `code` response property for the response status `500` - removed the `invalid_cpu_limit` enum value from the `code` response property for the response status `400` - removed the `invalid_cpu_limit` enum value from the `code` response property for the response status `401` - removed the `invalid_cpu_limit` enum value from the `code` response property for the response status `429` - removed the `invalid_cpu_limit` enum value from the `code` response property for the response status `500` - removed the `invalid_health_endpoint` enum value from the `code` response property for the response status `400` - removed the `invalid_health_endpoint` enum value from the `code` response property for the response status `401` - removed the `invalid_health_endpoint` enum value from the `code` response property for the response status `429` - removed the `invalid_health_endpoint` enum value from the `code` response property for the response status `500` - removed the `invalid_memory_limit` enum value from the `code` response property for the response status `400` - removed the `invalid_memory_limit` enum value from the `code` response property for the response status `401` - …62 more --- [Operation](https://skmtc.dev/tovuk/apis/tovuk-api/docs/v1/login/device/post.md) · [API](https://skmtc.dev/tovuk/apis/tovuk-api.md) · [Page](https://skmtc.dev/tovuk/apis/tovuk-api/changes/v1/login/device/post)