---
title: "Changes to POST /EXPERIMENTAL_light_client_block_proof"
method: POST
path: "/EXPERIMENTAL_light_client_block_proof"
---

# Changes to POST /EXPERIMENTAL_light_client_block_proof

`POST /EXPERIMENTAL_light_client_block_proof`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 9 revisions.

- **2026-09-03** `4a6c7147e1c3` — 1 breaking
- **2026-08-10** `f586f4853138` — 1 info
- **2026-05-07** `28449cf3a488` — 1 breaking, 5 info

## Changes

- **2026-09-03** `4a6c7147e1c3` — 1 breaking
  - added `subschema #6, subschema #7, subschema #8, subschema #9, subschema #10` to the `oneOf[subschema #2]/error/oneOf[subschema #2]/cause` response property `oneOf` list for the response status `200`
- **2026-08-10** `f586f4853138` — 1 info
  - added the optional property `oneOf[subschema #1]/result/block_header_lite/inner_lite/chunk_execution_root` to the response with the `200` status
- **2026-05-07** `28449cf3a488` — 1 breaking, 5 info
  - request property `jsonrpc` was restricted to a list of enum values
  - the request property `id` became optional
  - the request property `jsonrpc` became optional
  - the `id` request property default value `dontcare` was added
  - the `jsonrpc` request property default value `2.0` was added
  - added the new `2.0` enum value to the request property `jsonrpc`

---

[Operation](https://skmtc.dev/near/apis/near-protocol-json-rpc-api/docs/EXPERIMENTAL_light_client_block_proof/post.md) · [API](https://skmtc.dev/near/apis/near-protocol-json-rpc-api.md) · [Page](https://skmtc.dev/near/apis/near-protocol-json-rpc-api/changes/EXPERIMENTAL_light_client_block_proof/post)