---
title: "Update a mass payment"
method: POST
path: "/mass-payments/{id}"
tags: ["mass payments"]
---

# Update a mass payment

`POST /mass-payments/{id}`

Update the status of a deferred mass payment to control its processing lifecycle. Set status to `pending` to trigger processing and begin fund transfers, or `cancelled` to permanently cancel the mass payment before processing begins. Only applies to mass payments created with deferred status. Returns the updated mass payment resource with the new status.

## Path parameters

- `id` string, required

## Headers

- `Accept` 'application/vnd.dwolla.v1.hal+json', required

## Request body

- object
  - `status` string, required

## Response `200`

successful operation

## Other responses

- `400` — Bad Request
- `403` — Forbidden
- `404` — Not Found

## Changes

- **2025-07-01** `633b30cf427d` — 1 breaking
  - added the new required `header` request parameter `Accept`
- **2025-06-06** `231d0268586b` — 1 breaking, 5 info
  - request body became required
  - api tag `mass payments` added
  - api tag `massPayments` removed
  - added the non-success response with the status `400`
  - …2 more
- **2025-05-30** `9c0a7a570129` — 2 info
  - api tag `massPayments` added
  - api tag `mass payments` removed

[Change history](https://skmtc.dev/dwolla/apis/dwolla-api/changes/mass-payments/:id/post.md)

---

[API](https://skmtc.dev/dwolla/apis/dwolla-api.md) · [All operations](https://skmtc.dev/dwolla/apis/dwolla-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/dwolla/dwolla-api/revisions/0e13062ae3be/schema)