---
title: "Trigger invoice communication webhook"
method: POST
path: "/invoices/{id}/comms/trigger"
tags: ["Invoices"]
---

# Trigger invoice communication webhook

`POST /invoices/{id}/comms/trigger`

Use when sending an invoice to the customer (e.g. trigger email or Slack). Payload includes full invoice details for your integration.

## Path parameters

- `id` string, required

## Response `200`

OK

- SuccessResponse
  - `message` string

## Other responses

- `400` — Invalid request
- `404` — Resource not found
- `500` — Server error

## Changes

- **2026-05-18** `f62d8a5fe7cf` — 6 warning
  - removed the optional property `details` from the response with the `400` status
  - removed the optional property `details` from the response with the `404` status
  - removed the optional property `details` from the response with the `500` status
  - added the new `too_many_requests` enum value to the `code` response property for the response status `400`
  - …2 more
- **2026-04-06** `4ded3711f401` — 6 warning, 12 info
  - removed the optional property `error` from the response with the `400` status
  - removed the optional property `error` from the response with the `404` status
  - removed the optional property `error` from the response with the `500` status
  - removed the optional property `success` from the response with the `400` status
  - …14 more

[Change history](https://skmtc.dev/flexprice/apis/flexprice-api-2/changes/invoices/:id/comms/trigger/post.md)

---

[API](https://skmtc.dev/flexprice/apis/flexprice-api-2.md) · [All operations](https://skmtc.dev/flexprice/apis/flexprice-api-2/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/flexprice/flexprice-api-2/revisions/da8f268dc77d/schema)