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

# Changes to POST /block_effects

`POST /block_effects`

> Every recorded change to this endpoint, newest first.

## Timeline

Changed in 3 of 9 revisions.

- **2026-05-21** `97b870f1f638` — 1 breaking, 1 info
- **2026-05-21** `e1982645f483` — 1 breaking, 1 info
- **2026-05-07** `28449cf3a488` — 1 breaking, 5 info

## Changes

- **2026-05-21** `97b870f1f638` — 1 breaking, 1 info
  - added `subschema #1, subschema #2, subschema #3, subschema #4` to the `oneOf[subschema #1]/result/changes/items/` response property `oneOf` list for the response status `200`
  - removed `subschema #1, subschema #2, subschema #3, subschema #4` from the `oneOf[subschema #1]/result/changes/items/` response property `oneOf` list for the response status `200`
- **2026-05-21** `e1982645f483` — 1 breaking, 1 info
  - added `subschema #1, subschema #2` to the response body `oneOf` list for the response status `200`
  - removed `#/components/schemas/JsonRpcResponse_for_RpcStateChangesInBlockByTypeResponse_and_RpcStateChangesError_variant0, #/components/schemas/JsonRpcResponse_for_RpcStateChangesInBlockByTypeResponse_and_RpcStateChangesError_variant1` from the response body `oneOf` list for the response status `200`
- **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/block_effects/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/block_effects/post)