---
title: "Add a do-not-call entry"
method: POST
path: "/phone-suppressions"
tags: ["Phone Suppressions"]
---

# Add a do-not-call entry

`POST /phone-suppressions`

## Request

- Base URL: `https://api.crevio.co/v1`
- URL: `https://api.crevio.co/v1/phone-suppressions`
- Auth: API key in header `Authorization`

Adds a number to the account's internal do-not-call list. A suppressed number is never called, overriding any consent.

## Headers

- `Idempotency-Key` string

## Request body

- PhoneSuppressionRequest
  - `e164` string
  - `reason` 'opt_out' | 'dnc_registry' | 'complaint' | 'manual' | 'bounce'
  - `note` string, nullable

## Response `201`

Number suppressed

- PhoneSuppression
  - `id` string, required
  - `object` string, required
  - `e164` string, required
  - `reason` 'opt_out' | 'dnc_registry' | 'complaint' | 'manual' | 'bounce', required
  - `note` string, nullable, required
  - `created_at` string, date-time, required
  - `updated_at` string, date-time, required

## Other responses

- `400`: Bad request
- `401`: Authentication required
- `403`: Forbidden
- `404`: Resource not found
- `422`: Validation error
- `429`: Rate limit exceeded — 600 requests per minute per credential. Retry after the number of seconds in `Retry-After`.
- `500`: Internal server error

---

[API](https://skmtc.dev/crevio/apis/crevio-api-v1.md) · [All operations](https://skmtc.dev/crevio/apis/crevio-api-v1/llms.txt) · [OpenAPI document](https://skmtc.dev/crevio/apis/crevio-api-v1/revisions/2219f18ad651?raw)