---
title: "Issue signed delegation contract"
method: POST
path: "/v1/agents/{parent_agent_id}/delegate"
tags: ["swarm"]
---

# Issue signed delegation contract

`POST /v1/agents/{parent_agent_id}/delegate`

## Request

- Base URL: `https://api.lithtrix.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.lithtrix.ai/v1/agents/{parent_agent_id}/delegate`
- Auth: none declared

Requires the parent **root** ``ltx_*`` key and an active passport. Client signs canonical contract bytes with the passport private key.

## Path parameters

- `parent_agent_id` string, required

## Headers

- `authorization` string, nullable

## Request body

- DelegationCreateRequest
  - `recipient_agent_id` string, required
  - `task_id` string, required
  - `contract` DelegationContractBody, required
    - `read_set` string[], required
    - `write_set` string[], required
    - `assumptions` object
    - `version_refs` string[]
    - `ttl_seconds` integer
    - `verifier_obligations` unknown
    - `conflict_policy` string, required
  - `signature` string, required: RFC4648 base64 raw Ed25519 signature bytes

## Response `201`

Successful Response

- object

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/lithtrix/apis/lithtrix-api.md) · [All operations](https://skmtc.dev/lithtrix/apis/lithtrix-api/llms.txt) · [OpenAPI document](https://skmtc.dev/lithtrix/apis/lithtrix-api/revisions/be5de51bf4f8?raw)