JSON Schema
{
"type": "string",
"enum": [
"WorkflowExecutionStarted",
"WorkflowExecutionCancelRequested",
"WorkflowExecutionCompleted",
"CompleteWorkflowExecutionFailed",
"WorkflowExecutionFailed",
"FailWorkflowExecutionFailed",
"WorkflowExecutionTimedOut",
"WorkflowExecutionCanceled",
"CancelWorkflowExecutionFailed",
"WorkflowExecutionContinuedAsNew",
"ContinueAsNewWorkflowExecutionFailed",
"WorkflowExecutionTerminated",
"DecisionTaskScheduled",
"DecisionTaskStarted",
"DecisionTaskCompleted",
"DecisionTaskTimedOut",
"ActivityTaskScheduled",
"ScheduleActivityTaskFailed",
"ActivityTaskStarted",
"ActivityTaskCompleted",
"ActivityTaskFailed",
"ActivityTaskTimedOut",
"ActivityTaskCanceled",
"ActivityTaskCancelRequested",
"RequestCancelActivityTaskFailed",
"WorkflowExecutionSignaled",
"MarkerRecorded",
"RecordMarkerFailed",
"TimerStarted",
"StartTimerFailed",
"TimerFired",
"TimerCanceled",
"CancelTimerFailed",
"StartChildWorkflowExecutionInitiated",
"StartChildWorkflowExecutionFailed",
"ChildWorkflowExecutionStarted",
"ChildWorkflowExecutionCompleted",
"ChildWorkflowExecutionFailed",
"ChildWorkflowExecutionTimedOut",
"ChildWorkflowExecutionCanceled",
"ChildWorkflowExecutionTerminated",
"SignalExternalWorkflowExecutionInitiated",
"SignalExternalWorkflowExecutionFailed",
"ExternalWorkflowExecutionSignaled",
"RequestCancelExternalWorkflowExecutionInitiated",
"RequestCancelExternalWorkflowExecutionFailed",
"ExternalWorkflowExecutionCancelRequested",
"LambdaFunctionScheduled",
"LambdaFunctionStarted",
"LambdaFunctionCompleted",
"LambdaFunctionFailed",
"LambdaFunctionTimedOut",
"ScheduleLambdaFunctionFailed",
"StartLambdaFunctionFailed"
],
"$schema": "http://json-schema.org/draft-07/schema#",
"title": "EventType"
}
Work with this as data
Every JSON Schema here is available over the APIs.io API and to AI agents over MCP.
MCP server
One button, every client — Claude, Cursor, VS Code and the rest.
https://apis.io/mcp
Tools for schemas
4 MCP tools reach this
find_json_schemasBrowse and filter every JSON Schema in the catalog.apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.resolveTurn a domain, URL or GitHub org into the provider it belongs to.find_cohortsEvery scored population of providers in the catalog.
Call it yourself
curl for this page
This JSON Schema
curl "https://apis.io/api/v1/json-schemas/amazon-swf-eventtype"
All schemas
curl "https://apis.io/api/v1/json-schemas?limit=25"
Discovery needs no key. Ratings and market analysis are Pro.
Get an API key
Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.
A second provider on the same verified email joins the account you already have.