---
title: "Suppress addresses in bulk"
method: POST
path: "/email/suppressions/batch"
tags: ["Email Suppressions"]
---

# Suppress addresses in bulk

`POST /email/suppressions/batch`

## Request

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

Adds up to 100 addresses in one call, for importing a suppression list carried over from another provider. An invalid address rejects the whole batch rather than applying part of it, so you never have to diff what landed.

## Headers

- `Idempotency-Key` string

## Request body

- EmailSuppressionBatchRequest
  - `addresses` string[], required
  - `reason` 'manual' | 'unsubscribed'
  - `metadata` object

## Response `201`

Addresses suppressed

- ListResponseEmailSuppression
  - `object` 'list', required
  - `data` EmailSuppression[], required
    - `object` string, required
    - `id` string, required
    - `address` string, required
    - `reason` 'bounced' | 'complained' | 'unsubscribed' | 'manual', required
    - `email_message` string, nullable, required
    - `metadata` object, required
    - `created_at` string, date-time, required
  - `has_more` boolean, required
  - `url` string, 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)