{ "title": "Start Execution", "description": "Example request/response for starting an AWS Step Functions state machine execution", "request": { "method": "POST", "url": "https://states.us-east-1.amazonaws.com/", "headers": { "Content-Type": "application/x-amz-json-1.0", "X-Amz-Target": "AmazonStates.StartExecution", "Authorization": "AWS4-HMAC-SHA256 Credential=..." }, "body": { "stateMachineArn": "arn:aws:states:us-east-1:123456789012:stateMachine:MyOrderWorkflow", "name": "order-12345-2026-05-02", "input": "{\"orderId\": \"12345\", \"customerId\": \"cust-001\", \"amount\": 99.99}" } }, "response": { "status": 200, "body": { "executionArn": "arn:aws:states:us-east-1:123456789012:execution:MyOrderWorkflow:order-12345-2026-05-02", "startDate": 1746180000.0 } } }