# Add to do-not-contact

> suppression_add — Never reach this person again from any account: waiting jobs aimed at them are cancelled at once.

Source: https://x.builera.app/docs/en/reference/suppression_add

`suppression_add` · Changes an X-Buddy setting

Never reach this person again from any account: waiting jobs aimed at them are cancelled at once.

| | |
|---|---|
| REST | `POST /api/public/v1/suppressions` |
| MCP tool | `suppression_add` |
| Permission needed | `leads.manage` — Owner, Manager, Operator |
| Scope group | `audience:write` |
| Group | Contacts and lists |
| Shown up front in profiles | Contacts & lists |

## Input {#input}

| Field | Type | Required | Description |
|---|---|---|---|
| `person` | string (1–60 chars) | Yes | Person on X: @handle (or handle) or numeric user id prefixed with #, e.g. #44196397 |
| `note` | string (0–500 chars) | No |  |

## Result {#output}

Returns the operation's result in the `{ data, meta }` envelope.

> [!IMPORTANT]
> Needs an idempotency key (`Idempotency-Key`, 8–128 characters). Retrying with the same key never repeats the action.

## Example {#example}

### Call over REST {#example-rest}

```bash
curl -X POST "https://reach-link-craft.lovable.app/api/public/v1/suppressions" \
  -H "Authorization: Bearer $XBUDDY_API_KEY" \
  -H "Idempotency-Key: 6f1c2a90-example-key" \
  -H "Content-Type: application/json" \
  -d '{"person":"@example_person"}'
```

### Call over MCP {#example-mcp}

```json
{
  "method": "tools/call",
  "params": {
    "name": "suppression_add",
    "arguments": {
      "person": "@example_person",
      "idempotency_key": "6f1c2a90-example-key"
    }
  }
}
```

## Errors you may get {#errors}

| Code | HTTP | Retryable |
|---|---|---|
| [`unauthorized`](/docs/en/errors/unauthorized) | 401 | No |
| [`key_expired`](/docs/en/errors/key_expired) | 401 | No |
| [`integration_revoked`](/docs/en/errors/integration_revoked) | 401 | No |
| [`connection_not_linked`](/docs/en/errors/connection_not_linked) | 403 | No |
| [`integration_paused`](/docs/en/errors/integration_paused) | 403 | No |
| [`workspace_integrations_paused`](/docs/en/errors/workspace_integrations_paused) | 403 | No |
| [`integration_authorization_lost`](/docs/en/errors/integration_authorization_lost) | 403 | No |
| [`workspace_suspended`](/docs/en/errors/workspace_suspended) | 403 | No |
| [`forbidden`](/docs/en/errors/forbidden) | 403 | No |
| [`invalid_input`](/docs/en/errors/invalid_input) | 422 | No |
| [`rate_limited`](/docs/en/errors/rate_limited) | 429 | Yes |
| [`internal`](/docs/en/errors/internal) | 500 | Yes |
| [`read_only`](/docs/en/errors/read_only) | 403 | No |
| [`idempotency_key_required`](/docs/en/errors/idempotency_key_required) | 428 | No |
| [`idempotency_conflict`](/docs/en/errors/idempotency_conflict) | 409 | No |
| [`idempotency_processing`](/docs/en/errors/idempotency_processing) | 409 | Yes |
| [`conflict`](/docs/en/errors/conflict) | 409 | No |
| [`precondition_failed`](/docs/en/errors/precondition_failed) | 422 | No |

[Back to all operations](/docs/en/reference)