---
title: "Activate ARS (Address Registry Screening)"
method: POST
path: "/screening/ars/config/activate"
tags: ["Compliance"]
---

# Activate ARS (Address Registry Screening)

`POST /screening/ars/config/activate`

## Request

- Base URL: `https://api.fireblocks.io/v1`
- URL: `https://api.fireblocks.io/v1/screening/ars/config/activate`
- Auth: none declared
- TypeScript: <https://skmtc.dev/fireblocks/apis/fireblocks-api/docs/screening/ars/config/activate/post.ts> (a function with typed inputs; its response is checked against the schema)

Activates ARS (Address Registry Screening) for the authenticated tenant (sets config.active to true). Once activated, ARS screening applies to matching transactions.

## Headers

- `Idempotency-Key` string

## Response `200`

ARS configuration activated.

- ArsConfigResponse: ARS (Address Registry Screening) configuration for the tenant: active flag and last update time.
  - `active` boolean: Whether ARS is active for the tenant
  - `lastUpdate` string, date-time: Last update timestamp of the configuration

## Other responses

- `400`: Tenant not opted-in for address registry.
- `default`: Error Response

---

[API](https://skmtc.dev/fireblocks/apis/fireblocks-api.md) - [All operations](https://skmtc.dev/fireblocks/apis/fireblocks-api/llms.txt) - [OpenAPI document](https://skmtc.dev/fireblocks/apis/fireblocks-api/revisions/4eba9965659a?raw)