---
title: "Upload audience users"
method: POST
path: "/ads/audiences/{id}/users"
tags: ["Ads"]
---

# Upload audience users

`POST /ads/audiences/{id}/users`

## Request

- Base URL: `https://api.crevio.co/v1`
- URL: `https://api.crevio.co/v1/ads/audiences/{id}/users`
- Auth: API key in header `Authorization`

Upload hashed user data (≤10k) to a customer-list audience.

## Path parameters

- `id` string, required

## Headers

- `Idempotency-Key` string

## Request body

- object: Users to upload.
  - `users` object[]

## Response `200`

Upload result.

- object: Upload result.

## Other responses

- `400`: Bad request
- `401`: Authentication required
- `403`: Forbidden
- `404`: Resource not found
- `409`: Account not activated for ads (call POST /v1/socials/activate first).
- `422`: Validation error
- `429`: Rate limit exceeded — 600 requests per minute per credential. Retry after the number of seconds in `Retry-After`.

---

[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)