---
title: "Changes to Start"
method: POST
path: "/api/v1/deploy"
---

# Changes to Start

`POST /api/v1/deploy`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 9 of 63 revisions.

- **2026-11-02** `ac63eff4913f`: 1 warning
- **2026-10-23** `a99a7b2a5444`: 1 breaking, 2 warning, 11 info
- **2026-10-20** `d2a2f0337945`: 2 breaking, 1 warning, 1 info
- **2026-10-13** `87263cd34ac5`: 1 info
- **2026-10-02** `a0e690b1ef27`: 3 info
- **2026-09-30** `9182aecc931a`: 4 warning
- **2026-09-28** `1efa21f7aeb8`: 1 info
- **2026-09-24** `4087cc7a74aa`: 1 info
- **2026-09-23** `1f15ecf92088`: 1 info

## Changes

- **2026-11-02** `ac63eff4913f`: 1 warning
  - removed the request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_response_chars_per_tool_call`
- **2026-10-23** `a99a7b2a5444`: 1 breaking, 2 warning, 11 info
  - added the new required request property `test_model_slug`
  - removed the request property `model_slug`
  - removed the request property `role`
  - added the new optional request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/top_k_override`
  - added the new optional request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/top_p_override`
  - the request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_output_tokens_per_step` became optional
  - the request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_response_chars_per_tool_call` became optional
  - the `disable_thinking` request property default value `false` was removed
  - the `max_context_tokens` request property default value `262144` was removed
  - request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/disable_thinking` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_context_tokens` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_output_tokens_per_step` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_response_chars_per_tool_call` list-of-types was widened by adding types `null` to media type `application/json`
  - request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_turns_per_trajectory` list-of-types was widened by adding types `null` to media type `application/json`
- **2026-10-20** `d2a2f0337945`: 2 breaking, 1 warning, 1 info
  - `header` request parameter `Idempotency-Key` list-of-types was narrowed by removing types `null`
  - for the `header` request parameter `Idempotency-Key`, the minLength was increased from `0` to `1`
  - for the `header` request parameter `Idempotency-Key`, the maxLength was set to `256`
  - for the `header` request parameter `Idempotency-Key`, the type was generalized from no type to `string`
- **2026-10-13** `87263cd34ac5`: 1 info
  - added the new `max` enum value to the request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/reasoning_effort/anyOf[subschema #1]/`
- **2026-10-02** `a0e690b1ef27`: 3 info
  - added the new optional `header` request parameter `Idempotency-Key`
  - added the new optional request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/max_context_tokens`
  - added the new optional request property `model_endpoint_config/anyOf[subschema #1: ModelEndpointConfig]/tokenizer_path`
- **2026-09-30** `9182aecc931a`: 4 warning
  - removed the request property `expected_concurrency`
  - removed the request property `output_speed`
  - removed the request property `provider`
  - removed the optional property `reused_merge` from the response with the `202` status
- **2026-09-28** `1efa21f7aeb8`: 1 info
  - added the new optional request property `agent_id`
- **2026-09-24** `4087cc7a74aa`: 1 info
  - added the new optional request property `model_endpoint_config`
- **2026-09-23** `1f15ecf92088`: 1 info
  - added the new optional request property `provider`

---

[Operation](https://skmtc.dev/trajectory/apis/trajectory-api/docs/api/v1/deploy/post.md) - [API](https://skmtc.dev/trajectory/apis/trajectory-api.md) - [Page](https://skmtc.dev/trajectory/apis/trajectory-api/changes/api/v1/deploy/post)