---
title: "Assign a Dev Fee Config to many customers"
method: POST
path: "/dev_fee_configs/{devFeeConfigID}/customers"
tags: ["Developer Fees"]
---

# Assign a Dev Fee Config to many customers

`POST /dev_fee_configs/{devFeeConfigID}/customers`

## Request

- Base URL: `https://api.bridge.xyz/v0`
- URL: `https://api.bridge.xyz/v0/dev_fee_configs/{devFeeConfigID}/customers`
- Auth: API key in header `Api-Key`

Beta: available by request only. Contact Bridge to enable this feature for your developer account.

Assign the Dev Fee Config to each customer in the list. A customer's existing config of the same type is replaced.

## Headers

- `Idempotency-Key` string, required

## Request body

- BulkAssignDevFeeConfig
  - `customer_ids` Id[], required

## Response `200`

The customers the Dev Fee Config is now assigned to

- BulkAssignDevFeeConfigResponse
  - `dev_fee_config_id` string, required: A UUID that uniquely identifies a resource
  - `customer_ids` Id[], required

## Other responses

- `400`: Request containing missing or invalid parameters.
- `401`: Missing or invalid API key
- `404`: No Dev Fee Config found for the given ID
- `500`: Unexpected error. User may try and send the request again.

## Changes

- **2026-11-03** `a390532e9fc6`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/bridge/apis/bridge-api/changes/dev_fee_configs/:devFeeConfigID/customers/post.md)

---

[API](https://skmtc.dev/bridge/apis/bridge-api.md) - [All operations](https://skmtc.dev/bridge/apis/bridge-api/llms.txt) - [OpenAPI document](https://skmtc.dev/bridge/apis/bridge-api/revisions/a390532e9fc6?raw)