---
title: "Fulfill a Lockbox Request"
method: POST
path: "/v1/lockboxes/fulfill_request"
tags: ["mailbox"]
---

# Fulfill a Lockbox Request

`POST /v1/lockboxes/fulfill_request`

## Request

- Base URL: `https://sandboxapi.givechariot.com`
- URL: `https://sandboxapi.givechariot.com/v1/lockboxes/fulfill_request`
- Auth: HTTP bearer

Notifies Chariot that a new PO box has been provisioned by the lockbox provider.

The `request_id` is a one-time unique value generated by Chariot for each PO box request.

See the [Provisioning guide](/v2026-01-15/guides/lockbox-providers/provisioning) for the full provisioning flow.

## Request body

- object
  - `request_id` string, required: The unique request identifier originally provided by Chariot when the PO box was requested.
  - `location_id` string, required: The identifier of the newly provisioned PO box.
  - `address` Address, required
    - `city` string, required: City, district, suburb, town, or village. Maximum length: 255 characters.
    - `country` string, required: Two-letter country code (https://en.wikipedia.org/wiki/ISO_3166-1_alpha-2)
    - `line1` string, required: Address line 1 (e.g. street, PO Box, or company name). Maximum length: 255 characters.
    - `line2` string: Address line 2 (e.g. apartment, suite, unit, or building). Maximum length: 255 characters.
    - `postal_code` string, required: ZIP or postal code. Maximum length: 40 characters.
    - `state` string, required: State, county, province, or region

## Response `200`

Indicates the PO box has been successfully provisioned.

## Other responses

- `400`: The request is invalid or contains invalid parameters
- `401`: Unauthorized. The request is missing the security (OAuth2 Bearer token) requirements and the server is unable to verify the identify of the caller.
- `403`: Access denied
- `500`: Internal Server Error

---

[API](https://skmtc.dev/chariot-giving/apis/chariot-api-5.md) - [All operations](https://skmtc.dev/chariot-giving/apis/chariot-api-5/llms.txt) - [OpenAPI document](https://skmtc.dev/chariot-giving/apis/chariot-api-5/revisions/d2a4ff2fdda5?raw)