**To create a token based API Gateway Custom Authorizer for the API** Command:: aws apigateway create-authorizer --rest-api-id 1234123412 --name 'First_Token_Custom_Authorizer' --type TOKEN --authorizer-uri 'arn:aws:apigateway:us-west-2:lambda:path/2015-03-31/functions/arn:aws:lambda:us-west-2:123412341234:function:customAuthFunction/invocations' --identity-source 'method.request.header.Authorization' --authorizer-result-ttl-in-seconds 300 Output:: { "authType": "custom", "name": "First_Token_Custom_Authorizer", "authorizerUri": "arn:aws:apigateway:us-west-2:lambda:path/2015-03-31/functions/arn:aws:lambda:us-west-2:123412341234:function:customAuthFunction/invocations", "authorizerResultTtlInSeconds": 300, "identitySource": "method.request.header.Authorization", "type": "TOKEN", "id": "z40xj0" } **To create a Cognito User Pools based API Gateway Custom Authorizer for the API** Command:: aws apigateway create-authorizer --rest-api-id 1234123412 --name 'First_Cognito_Custom_Authorizer' --type COGNITO_USER_POOLS --provider-arns 'arn:aws:cognito-idp:us-east-1:123412341234:userpool/us-east-1_aWcZeQbuD' --identity-source 'method.request.header.Authorization' Output:: { "authType": "cognito_user_pools", "identitySource": "method.request.header.Authorization", "name": "First_Cognito_Custom_Authorizer", "providerARNs": [ "arn:aws:cognito-idp:us-east-1:342398297714:userpool/us-east-1_qWbZzQhzE" ], "type": "COGNITO_USER_POOLS", "id": "5yid1t" }