---
title: "List recent Parent chain to Rollup messages on the main page."
method: GET
path: "/{chain_id}/api/v2/main-page/arbitrum/messages/to-rollup"
tags: ["arbitrum", "main-page"]
---

# List recent Parent chain to Rollup messages on the main page.

`GET /{chain_id}/api/v2/main-page/arbitrum/messages/to-rollup`

## Request

- Base URL: `https://api.blockscout.com`
- URL: `https://api.blockscout.com/{chain_id}/api/v2/main-page/arbitrum/messages/to-rollup`
- Auth: one of:
  - HTTP bearer
  - API key in query parameter `apikey`
- TypeScript: <https://skmtc.dev/blockscout/apis/blockscout-pro-api/docs/:chain_id/api/v2/main-page/arbitrum/messages/to-rollup/get.ts> (a function with typed inputs; its response is checked against the schema)

Retrieves the most recent relayed messages from Parent chain to Rollup, displayed on the main page.

## Path parameters

- `chain_id` string, required

## Response `200`

List of recent Parent chain to Rollup messages.

- object
  - `items` MinimalMessage[], required
    - `completion_transaction_hash` string, nullable, required: Hash of the transaction on the destination chain that executed this message.
    - `origination_timestamp` string, date-time, nullable, required
    - `origination_transaction_block_number` integer, nullable, required: Block number on the originating chain containing the initiation transaction.
    - `origination_transaction_hash` string, nullable, required: Hash of the transaction on the originating chain that initiated this message.

## Other responses

- `422`: Unprocessable Entity

---

[API](https://skmtc.dev/blockscout/apis/blockscout-pro-api.md) - [All operations](https://skmtc.dev/blockscout/apis/blockscout-pro-api/llms.txt) - [OpenAPI document](https://skmtc.dev/blockscout/apis/blockscout-pro-api/revisions/59ac5466233b?raw)