# POST /api/v1/agents/mandates

> Propose a payment mandate

- **Tag:** agents
- **Operation ID:** `agents_create_mandate`

## Description

Propose a mandate for an agent subject. A different owner or admin counter-signs it before it takes effect. The business's only admin may pass `self_sign=true`; the row and the audit log record that.

## Authentication

Bearer token in `Authorization` header.
Required header: `x-business-id: <business uuid>`.

## Request body

Schema: `AgentMandateCreate`

- `subject_type` (string · required) (one of: agent_role, mcp_client, api_client)
- `subject_id` (string · required)
- `purpose` (string · required)
- `allowed_vendor_ids` (array · string) — Vendor ids the mandate covers; null or empty = any vendor.
- `per_payment_ceiling_cents` (integer · required)
- `period_ceiling_cents` (integer · required)
- `period` (string) (one of: month, week)
- `valid_from` (string · date-time) — Defaults to now (UTC).
- `valid_to` (string · date-time)
- `self_sign` (boolean) — Counter-sign your own proposal. Allowed only when you are the business's only admin; recorded in the audit log.

## Responses

### 201 — Successful Response

Schema: `SuccessEnvelope_AgentMandateResponse_`

- `success` (boolean)
- `message` (string)
- `code` (string)
- `data` (AgentMandateResponse)

### 400 — Bad Request - Invalid input

Schema: `ErrorResponse`

- `error` (string · required) — Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`.
- `message` (string · required) — Human-readable explanation, safe to show to end users.
- `code` (string · required) — Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`).
- `request_id` (string) — Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied.
- `errors` (object) — Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

### 401 — Unauthorized - Missing or expired token, an MCP OAuth token used against the REST API, or no access to this business

Schema: `ErrorResponse`

- `error` (string · required) — Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`.
- `message` (string · required) — Human-readable explanation, safe to show to end users.
- `code` (string · required) — Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`).
- `request_id` (string) — Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied.
- `errors` (object) — Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

### 403 — Forbidden - Insufficient permissions

Schema: `ErrorResponse`

- `error` (string · required) — Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`.
- `message` (string · required) — Human-readable explanation, safe to show to end users.
- `code` (string · required) — Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`).
- `request_id` (string) — Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied.
- `errors` (object) — Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

### 404 — Not Found - Resource does not exist

Schema: `ErrorResponse`

- `error` (string · required) — Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`.
- `message` (string · required) — Human-readable explanation, safe to show to end users.
- `code` (string · required) — Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`).
- `request_id` (string) — Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied.
- `errors` (object) — Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

### 422 — Validation Error

Schema: `ErrorResponse`

- `error` (string · required) — Error category: `validation_error`, `unauthorized`, `forbidden`, `not_found`, `conflict`, `rate_limited`, `server_error`, or `service_unavailable`.
- `message` (string · required) — Human-readable explanation, safe to show to end users.
- `code` (string · required) — Stable machine-readable code in `CATEGORY_NNN` form (e.g. `NOT_FOUND_006`, `AUTH_010`, `GEN_002`).
- `request_id` (string) — Correlation id for support requests. Echoes the `x-request-id` request header when one was supplied.
- `errors` (object) — Field-level validation messages keyed by field name. Present on 400/422 validation failures only.

## Code samples

### cURL

```bash
curl -X POST 'https://api.ondayzero.com/api/v1/agents/mandates' \
  -H 'Authorization: Bearer dz_your_token' \
  -H 'x-business-id: YOUR_BUSINESS_ID' \
  -H 'Content-Type: application/json' \
  -d '{
  "subject_type": "agent_role",
  "subject_id": "string",
  "purpose": "string",
  "per_payment_ceiling_cents": 0,
  "period_ceiling_cents": 0
}'
```

### JavaScript

```javascript
const response = await fetch('https://api.ondayzero.com/api/v1/agents/mandates', {
  method: 'POST',
  headers: {
    Authorization: 'Bearer dz_your_token',
    'x-business-id': 'YOUR_BUSINESS_ID',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
  "subject_type": "agent_role",
  "subject_id": "string",
  "purpose": "string",
  "per_payment_ceiling_cents": 0,
  "period_ceiling_cents": 0
}),
});
const data = await response.json();
```

### Python

```python
import httpx

headers = {
    "Authorization": "Bearer dz_your_token",
    "x-business-id": "YOUR_BUSINESS_ID",
}

payload = {'subject_type': 'agent_role',
 'subject_id': 'string',
 'purpose': 'string',
 'per_payment_ceiling_cents': 0,
 'period_ceiling_cents': 0}

response = httpx.post("https://api.ondayzero.com/api/v1/agents/mandates", headers=headers, json=payload)
data = response.json()
```

## See also

- HTML version: https://www.ondayzero.com/docs/reference/agents/agents-create-mandate
- OpenAPI slice: https://www.ondayzero.com/docs/reference/agents/agents-create-mandate/openapi.json
- Other endpoints in **agents**: https://www.ondayzero.com/docs/reference/agents (markdown bundle: https://www.ondayzero.com/docs/reference/agents.md, OpenAPI: https://www.ondayzero.com/docs/reference/agents/openapi.json)
- Endpoint catalog: https://www.ondayzero.com/docs/reference/index.md