---
title: "Get Block Payload by Block ID."
method: GET
path: "/blocks/{id}/payload"
tags: ["Blocks"]
---

# Get Block Payload by Block ID.

`GET /blocks/{id}/payload`

Get a block payload data by the provided block ID.

## Path parameters

- `id` string, hexadecimal, required — A 32-byte unique identifier for an entity.

## Query parameters

- `expand` string[]
- `select` string[]

## Response `200`

OK

- BlockPayload
  - `collection_guarantees` CollectionGuarantee[], required
    - `collection_id` string, hexadecimal, required — A 32-byte unique identifier for an entity.
    - `signer_ids` Identifier[], required
    - `signature` string, byte, required — A variable length signature.
    - `reference_block_id` string, hexadecimal, required — A 32-byte unique identifier for an entity.
    - `cluster_chain_id` string, required
  - `block_seals` BlockSeal[], required
    - `block_id` string, hexadecimal, required — A 32-byte unique identifier for an entity.
    - `result_id` string, hexadecimal, required — A 32-byte unique identifier for an entity.
    - `final_state` string, hexadecimal, required — The root hash of the state tree.
    - `aggregated_approval_signatures` AggregatedSignature[], required
      - `verifier_signatures` Signature[], required
      - `signer_ids` Identifier[], required

## Other responses

- `400` — Bad Request
- `404` — Not Found
- `500` — Internal Server Error

---

[API](https://skmtc.net/onflow/apis/access-api.md) · [All operations](https://skmtc.net/onflow/apis/access-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/onflow/access-api/versions/fd121c1fddf8/schema)