---
title: "Reschedule messages"
method: PUT
path: "/email/1/bulks"
tags: ["channels", "email", "scheduled-email"]
---

# Reschedule messages

`PUT /email/1/bulks`

## Request

- Base URL: `https://api.infobip.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.infobip.com/email/1/bulks`
- Auth: one of:
  - OAuth 2
    - Client credentials
    - Token URL: `https://api.infobip.com/auth/1/oauth2/token`
  - API key in header `Authorization`
  - API key in header `Authorization`
  - HTTP basic

Change the date and time for sending scheduled messages.

Before rescheduling, set the bulk status to `PAUSED`. After rescheduling, set the bulk status to `PENDING` to resume sending.

## Query parameters

- `bulkId` string, required: The ID that uniquely identifies the sent bulk.

## Request body

- 34438aa163eb13a2a06ad96ae98170e41cc2ee8902e8b7655aba73ceb0bb23f1BulkRescheduleRequest
  - `sendAt` string, date-time, required: The new date and time to send the scheduled messages. Has the following format: `yyyy-MM-dd'T'HH:mm:ss.SSSZ`.

## Response `200`

OK

- 34438aa163eb13a2a06ad96ae98170e41cc2ee8902e8b7655aba73ceb0bb23f1BulkRescheduleResponse
  - `bulkId` string, required: The ID that uniquely identifies the message within the bulk.
  - `sendAt` string, date-time, required: Date and time when the email is to be sent. Has the following format: `yyyy-MM-dd'T'HH:mm:ss.SSSZ`.

## Other responses

- `400`: Bad Request
- `401`: Unauthorized
- `403`: Forbidden
- `404`: Not Found
- `409`: Conflict
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/infobip/apis/infobip-openapi-specification.md) - [All operations](https://skmtc.dev/infobip/apis/infobip-openapi-specification/llms.txt) - [OpenAPI document](https://skmtc.dev/infobip/apis/infobip-openapi-specification/revisions/9dcbbaf902de?raw)