> ## Documentation Index > Fetch the complete documentation index at: https://docs.blockscout.com/llms.txt > Use this file to discover all available pages before exploring further. # Get batch by EigenDA data hash. > Retrieves an Arbitrum batch associated with the given EigenDA data hash. By default, returns the most recently associated batch. When `type=all`, returns a paginated list of all batches referencing this data hash. ## OpenAPI ````yaml /openapi-specs/pro-api-v12.json get /{chain_id}/api/v2/arbitrum/batches/da/eigenda/{data_hash} openapi: 3.0.0 info: contact: email: info@blockscout.com url: https://dev.blockscout.com/ description: >- Blockscout's universal multichain API for accessing explorer-indexed blockchain data - such as addresses, transactions, blocks, tokens, NFTs, contracts, and related search/results endpoints - across supported networks through a single standardized interface. title: Blockscout Pro API version: 0.5.0 servers: - url: https://api.blockscout.com security: - bearerAuth: [] - apiKeyAuth: [] paths: /{chain_id}/api/v2/arbitrum/batches/da/eigenda/{data_hash}: get: tags: - arbitrum summary: Get batch by EigenDA data hash. description: >- Retrieves an Arbitrum batch associated with the given EigenDA data hash. By default, returns the most recently associated batch. When `type=all`, returns a paginated list of all batches referencing this data hash. operationId: BlockScoutWeb.API.V2.ArbitrumController.batch_by_eigenda_da_info parameters: - description: EigenDA data hash (Keccak-256 of the blob header). in: path name: data_hash required: true schema: $ref: '#/components/schemas/FullHash' - description: >- When set to `all`, returns a paginated list of all batches for this data hash. in: query name: type schema: enum: - all type: string - description: Number of items per page in: query name: items_count schema: minimum: 1 type: integer - description: Number for paging in: query name: number schema: type: integer - description: The ID of the blockchain in: path name: chain_id required: true schema: type: string responses: '200': content: application/json: schema: oneOf: - $ref: '#/components/schemas/Arbitrum.BatchByEigenda' - additionalProperties: false properties: items: items: $ref: '#/components/schemas/BatchForList' type: array next_page_params: example: number: 123 nullable: true type: object required: - items - next_page_params type: object description: Batch info, or paginated batch list when `type=all`. headers: x-credits-remaining: description: >- Number of credits remaining in your plan. Resets daily on the free plan, monthly otherwise. schema: type: integer x-ratelimit-limit: description: >- Available requests per second with your plan. Returns -1 on internal error. schema: type: integer x-ratelimit-remaining: description: >- Remaining rate limit based on your queries. Returns -1 on internal error. schema: type: integer x-ratelimit-reset: description: >- Time in milliseconds until the rate limit resets. Returns -1 on internal error. schema: type: integer '404': content: application/json: schema: $ref: '#/components/schemas/NotFoundResponse' description: Not Found '422': content: application/json: schema: $ref: '#/components/schemas/JsonErrorResponse' description: Unprocessable Entity components: schemas: FullHash: pattern: ^0x([A-Fa-f0-9]{64})$ title: FullHash type: string Arbitrum.BatchByEigenda: additionalProperties: false description: Arbitrum batch with EigenDA data availability. properties: after_acc_hash: description: >- Accumulator hash of the sequencer inbox after this batch was appended. Must equal `before_acc_hash` of the next batch. pattern: ^0x([A-Fa-f0-9]{64})$ type: string before_acc_hash: description: >- Accumulator hash of the sequencer inbox before this batch was appended. Forms a hash chain: must equal `after_acc_hash` of the previous batch. pattern: ^0x([A-Fa-f0-9]{64})$ type: string commitment_transaction: $ref: '#/components/schemas/CommitmentTransaction' data_availability: $ref: '#/components/schemas/Eigenda' end_block_number: description: Last Rollup block included in the batch. minimum: 0 type: integer number: description: Sequential identifier assigned to this batch by the sequencer. minimum: 0 type: integer start_block_number: description: First Rollup block included in the batch. minimum: 0 type: integer transactions_count: description: Number of transactions in the batch. minimum: 0 type: integer required: - number - transactions_count - start_block_number - end_block_number - before_acc_hash - after_acc_hash - commitment_transaction - data_availability title: Arbitrum.BatchByEigenda type: object BatchForList: additionalProperties: false description: Arbitrum batch summary for list endpoints. properties: batch_data_container: $ref: '#/components/schemas/BatchDataContainer' blocks_count: description: Number of blocks included in the batch. minimum: 0 type: integer commitment_transaction: $ref: '#/components/schemas/CommitmentTransaction' number: description: Sequential identifier assigned to this batch by the sequencer. minimum: 0 type: integer transactions_count: description: Number of transactions in the batch. minimum: 0 type: integer required: - number - transactions_count - blocks_count - batch_data_container - commitment_transaction title: BatchForList type: object NotFoundResponse: description: Response returned when the requested resource is not found properties: message: description: Error message indicating the requested resource was not found example: Resource not found type: string title: NotFoundResponse type: object JsonErrorResponse: properties: errors: items: properties: detail: example: null value where string expected type: string source: properties: pointer: example: /data/attributes/petName type: string required: - pointer type: object title: example: Invalid value type: string required: - title - source - detail type: object type: array required: - errors title: JsonErrorResponse type: object CommitmentTransaction: additionalProperties: false description: Parent chain transaction that committed the batch. properties: block_number: description: Parent chain block number containing this transaction. minimum: 0 nullable: true type: integer hash: $ref: '#/components/schemas/FullHashNullable' status: description: Finalization status of the Parent chain transaction. enum: - unfinalized - finalized nullable: true type: string timestamp: $ref: '#/components/schemas/TimestampNullable' required: - hash - block_number - timestamp - status title: CommitmentTransaction type: object Eigenda: additionalProperties: false description: EigenDA data availability blob reference. properties: batch_data_container: enum: - in_eigenda type: string blob_header: description: ABI-encoded EigenDA blob header. nullable: true type: string blob_verification_proof: description: ABI-encoded EigenDA blob verification proof. nullable: true type: string required: - batch_data_container - blob_header - blob_verification_proof title: Eigenda type: object BatchDataContainer: description: Data availability container type. enum: - in_blob4844 - in_calldata - in_celestia - in_anytrust - in_eigenda nullable: true title: BatchDataContainer type: string FullHashNullable: nullable: true pattern: ^0x([A-Fa-f0-9]{64})$ title: FullHashNullable type: string TimestampNullable: format: date-time nullable: true title: TimestampNullable type: string securitySchemes: bearerAuth: bearerFormat: JWT description: API key passed as a Bearer token in the Authorization header. scheme: bearer type: http apiKeyAuth: description: API key passed as the `apikey` query parameter. in: query name: apikey type: apiKey ````