---
title: "Changes to Scan User Operation"
method: POST
path: "/v0/evm/user-operation/scan"
---

# Changes to Scan User Operation

`POST /v0/evm/user-operation/scan`

> Every recorded change to this endpoint, newest first.
> 95 revisions in range; 1 not diffed.

## Timeline

Changed in 11 of 95 revisions.

- **2026-08-21** `e15b4bf2b25b` — 1 breaking
- **2026-07-20** `7897dd82aeda` — 1 info
- **2026-07-06** `1c2ad0e3f146` — 1 info
- **2026-06-29** `e536df1ac98e` — 1 info
- **2026-06-22** `631610b498db` — 2 breaking
- **2026-05-31** `6eaa317741a9` — 2 breaking
- **2026-05-21** `ed1955d90f99` — 1 breaking
- **2026-05-11** `48e4dcc48730` — 3 info
- **2026-05-10** `42e1b2ee49d0` — 1 warning, 2 info
- **2026-05-10** `a8bd546a3739` — 4 info
- **2026-03-26** `b9810f27b15e` — 1 info

## Changes

- **2026-08-21** `e15b4bf2b25b` — 1 breaking
  - removed the enum value `worldchain` of the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-07-20** `7897dd82aeda` — 1 info
  - added the new `flare` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-07-06** `1c2ad0e3f146` — 1 info
  - added the new `arc` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-06-29** `e536df1ac98e` — 1 info
  - added the new `robinhood` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-06-22** `631610b498db` — 2 breaking
  - added `#/components/schemas/ScanRequestMetadata` to the `metadata` request property `allOf` list
  - removed `#/components/schemas/routers__evm__models__MetadataNonDapp, #/components/schemas/routers__evm__models__MetadataDapp` from the `metadata` request property `anyOf` list
- **2026-05-31** `6eaa317741a9` — 2 breaking
  - removed the enum value `immutable-zkevm` of the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
  - removed the enum value `immutable-zkevm-testnet` of the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-05-21** `ed1955d90f99` — 1 breaking
  - removed the enum value `zero-network` of the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-05-11** `48e4dcc48730` — 3 info
  - added the new `kaia` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
  - added the new `mantle` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
  - added the new `plasma` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`
- **2026-05-10** `42e1b2ee49d0` — 1 warning, 2 info
  - added the new `bridge` enum value to the `simulation/anyOf[subschema #1: TransactionSimulation]/transaction_actions/items/anyOf[subschema #1: TransactionAction]/` response property for the response status `200`
  - added the optional property `simulation/anyOf[subschema #1: TransactionSimulation]/cross_chain_asset_diffs` to the response with the `200` status
  - added `#/components/schemas/routers__evm__response__BridgeAssetTrace` to the `simulation/anyOf[subschema #1: TransactionSimulation]/account_summary/allOf[subschema #1: AccountSummary]/traces/items/` response property `anyOf` list for the response status `200`
- **2026-05-10** `a8bd546a3739` — 4 info
  - added the new optional request property `metadata/anyOf[subschema #1: MetadataNonDapp]/account`
  - added the new optional request property `metadata/anyOf[subschema #1: MetadataNonDapp]/connection`
  - added the new optional request property `metadata/anyOf[subschema #2: MetadataDapp]/account`
  - added the new optional request property `metadata/anyOf[subschema #2: MetadataDapp]/connection`
- **2026-03-26** `b9810f27b15e` — 1 info
  - added the new `tempo` enum value to the request property `chain/allOf[subschema #1: ChainParam]/anyOf[subschema #1: TransactionScanSupportedChains]/`

---

[Operation](https://skmtc.dev/blockaid-official/apis/blockaid-api/docs/v0/evm/user-operation/scan/post.md) · [API](https://skmtc.dev/blockaid-official/apis/blockaid-api.md) · [Page](https://skmtc.dev/blockaid-official/apis/blockaid-api/changes/v0/evm/user-operation/scan/post)