> ## Documentation Index
> Fetch the complete documentation index at: https://docs.hypedexer.com/llms.txt
> Use this file to discover all available pages before exploring further.

# List batches posted on HyperEVM

> Sequencer batches posted to the SequencerInbox on HyperEVM testnet, with the Elysium block range they
contain and `posting_delay_s` (HyperEVM posting time minus the time of the batch's last block).



## OpenAPI

````yaml /elysium/openapi-rest.json get /elysium/testnet/batches
openapi: 3.0.3
info:
  title: HL Indexer API — Elysium Testnet
  version: 1.0.0
  description: >-
    Elysium testnet (Kinetiq L2 on HyperEVM testnet, chain 99801): blocks,
    transactions, logs, batches, bridge HyperEVM ↔ Elysium, tokens and accounts.
servers:
  - url: https://api.hypedexer.com
    description: EU production
security: []
tags:
  - name: Elysium Testnet
    description: Elysium testnet chain, settlement batches, bridge, tokens and accounts.
paths:
  /elysium/testnet/batches:
    get:
      tags:
        - Elysium Testnet
      summary: List batches posted on HyperEVM
      description: >-
        Sequencer batches posted to the SequencerInbox on HyperEVM testnet, with
        the Elysium block range they

        contain and `posting_delay_s` (HyperEVM posting time minus the time of
        the batch's last block).
      parameters:
        - name: start_time
          in: query
          schema:
            description: Start time (UTC), on the HyperEVM posting time
            type: string
            format: date-time
            nullable: true
          description: Start time (UTC), on the HyperEVM posting time
        - name: end_time
          in: query
          schema:
            description: End time (UTC), on the HyperEVM posting time
            type: string
            format: date-time
            nullable: true
          description: End time (UTC), on the HyperEVM posting time
        - name: limit
          in: query
          schema:
            type: integer
            maximum: 1000
            minimum: 1
            default: 100
        - name: offset
          in: query
          schema:
            type: integer
            minimum: 0
            default: 0
        - name: X-API-Key
          in: header
          schema:
            type: string
            nullable: true
      responses:
        '200':
          description: OK
          content:
            application/json:
              schema:
                type: object
                properties:
                  success:
                    type: boolean
                    default: true
                  message:
                    type: string
                  data:
                    type: array
                    items:
                      $ref: '#/components/schemas/ElysiumBatch'
                  execution_time_ms:
                    type: number
                  has_more:
                    type: boolean
        '422':
          description: Invalid parameter
components:
  schemas:
    ElysiumBatch:
      properties:
        batch_number:
          title: Batch Number
          type: integer
        parent_block:
          title: Parent Block
          type: integer
        parent_time:
          format: date-time
          title: Parent Time
          type: string
        parent_tx_hash:
          title: Parent Tx Hash
          type: string
        after_delayed_messages_read:
          title: After Delayed Messages Read
          type: integer
        data_location:
          title: Data Location
          type: string
        first_block:
          title: First Block
          type: integer
        last_block:
          title: Last Block
          type: integer
        block_count:
          title: Block Count
          type: integer
        last_block_time:
          format: date-time
          title: Last Block Time
          type: string
        posting_delay_s:
          title: Posting Delay S
          type: number
      required:
        - batch_number
        - parent_block
        - parent_time
        - parent_tx_hash
        - after_delayed_messages_read
        - data_location
        - first_block
        - last_block
        - block_count
        - last_block_time
        - posting_delay_s
      title: ElysiumBatch
      type: object

````