cosigner

Evaluate EVM Transaction

Changed on Jun 22, 2026

Run policy evaluation against an EVM transaction for the given cosigner. Returns the policy decision and per-policy trace.

post/v0/platform/cosigners/{id}/evm/evaluate

Request

Base URL
https://api.blockaid.io
Auth
- API key in header X-API-Key
- or API key in header X-CLIENT-ID
- or HTTP bearer
TypeScript
https://skmtc.dev/blockaid-official/apis/blockaid-api/docs/v0/platform/cosigners/:id/evm/evaluate/post.ts
A function with typed inputs. Its response is checked against the schema.

Path parameters

idstring required

Cosigner ID

Request body

Response

Successful Response

Changes

Jun 22, 2026187d6a5259c6 Revision changes
- info
  the endpoint scheme security JWT was added to the API
Jun 22, 202603ea93e2f608 Revision changes
- breaking
  added subschema #1: SupportedEvmChains to the / request property allOf list
- breaking
  added subschema #1: SupportedEvmChains to the / request property allOf list
- breaking
  added subschema #1: SupportedEvmChains to the / request property allOf list
- breaking
  added subschema #1: TimePeriodInput to the / request property allOf list
- breaking
  removed from the / request property anyOf list
- breaking
  removed from the / request property anyOf list
- breaking
  removed the enum value events of the request property //
- breaking
  removed the enum value gas_estimation of the request property //
- breaking
  removed the enum value simulation of the request property //
- breaking
  removed the enum value validation of the request property //
- breaking
  the / request property type changed from object to no type
- warning
  removed from the / request property allOf list
- warning
  removed from the / request property allOf list
- warning
  removed from the / request property allOf list
- warning
  removed the request property //
- warning
  removed the request property //
- info
  added the new optional request property /
- info
  added the new optional request property /
- info
  added subschema #1: EvmSendTransaction to the / request property anyOf list
- info
  added the optional property / to the response with the status
- info
  added the optional property /// to the response with the status
- info
  added the optional property / to the response with the status
- info
  added the optional property / to the response with the status
- info
  added the optional property / to the response with the status
- info
  added the optional property / to the response with the status
- info
  added the optional property / to the response with the status

Operation history (8 revisions)