---
title: "Send invoice notification"
method: POST
path: "/invoices/{id}/notify_by/{medium}"
tags: ["Invoices"]
---

# Send invoice notification

`POST /invoices/{id}/notify_by/{medium}`

Send or resend the invoice payment link to the customer via SMS or email.

## Path parameters

- `id` string, required
- `medium` 'sms' | 'email', required

## Response `200`

Notification sent.

- object
  - `success` boolean

## Other responses

- `400` — Bad request. Invalid parameters or missing required fields.
- `401` — Authentication failed. Invalid or missing API key credentials.
- `404` — Resource not found.
- `429` — Rate limit exceeded. Implement exponential backoff with jitter before retrying.

---

[API](https://skmtc.net/curlec/apis/razorpay-api.md) · [All operations](https://skmtc.net/curlec/apis/razorpay-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/curlec/razorpay-api/versions/824ca9e6faef/schema)