Below is an example of the contents of event and context parameters in a Python lambda handler for an API Gateway.
{
"event": {
"resource": "/",
"path": "/",
"httpMethod": "GET",
"headers": {
"Accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"Accept-Encoding": "gzip, deflate, br",
"Accept-Language": "en-US,en;q=0.9,is;q=0.8,zh-CN;q=0.7,zh;q=0.6",
"Cache-Control": "max-age=0",
"Host": "u9mg6eu01d.execute-api.eu-west-1.amazonaws.com",
"Upgrade-Insecure-Requests": "1",
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
"x-amzn-cipher-suite": "ECDHE-RSA-AES128-GCM-SHA256",
"x-amzn-vpc-id": "vpc-6458d901",
"x-amzn-vpce-config": "1",
"x-amzn-vpce-id": "vpce-05d0829ef39b4d2b8",
"X-Forwarded-For": "10.50.2.99",
"X-Forwarded-Host": "dg-bobo.dg-api.com",
"X-Forwarded-Port": "443",
"X-Forwarded-Proto": "https",
"X-Real-IP": "153.92.155.138",
"X-Script-Name": "/drift"
},
"multiValueHeaders": {
"Accept": [
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"
],
"Accept-Encoding": [
"gzip, deflate, br"
],
"Accept-Language": [
"en-US,en;q=0.9,is;q=0.8,zh-CN;q=0.7,zh;q=0.6"
],
"Cache-Control": [
"max-age=0"
],
"Host": [
"u9mg6eu01d.execute-api.eu-west-1.amazonaws.com"
],
"Upgrade-Insecure-Requests": [
"1"
],
"User-Agent": [
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36"
],
"x-amzn-cipher-suite": [
"ECDHE-RSA-AES128-GCM-SHA256"
],
"x-amzn-vpc-id": [
"vpc-6458d901"
],
"x-amzn-vpce-config": [
"1"
],
"x-amzn-vpce-id": [
"vpce-05d0829ef39b4d2b8"
],
"X-Forwarded-For": [
"10.50.2.99"
],
"X-Forwarded-Host": [
"dg-bobo.dg-api.com"
],
"X-Forwarded-Port": [
"443"
],
"X-Forwarded-Proto": [
"https"
],
"X-Real-IP": [
"153.92.155.138"
],
"X-Script-Name": [
"/drift"
]
},
"queryStringParameters": null,
"multiValueQueryStringParameters": null,
"pathParameters": null,
"stageVariables": null,
"requestContext": {
"resourceId": "cygui3v0qi",
"resourcePath": "/",
"httpMethod": "GET",
"extendedRequestId": "Q-bp5HPxjoEFmnQ=",
"requestTime": "26/Nov/2018:15:09:25 +0000",
"path": "/dev",
"accountId": "092475124519",
"protocol": "HTTP/1.1",
"stage": "dev",
"domainPrefix": "u9mg6eu01d",
"requestTimeEpoch": 1543244965750,
"requestId": "435ab1a9-f18d-11e8-b5d3-fdcc613854fa",
"identity": {
"cognitoIdentityPoolId": null,
"cognitoIdentityId": null,
"vpceId": "vpce-05d0829ef39b4d2b8",
"cognitoAuthenticationType": null,
"userArn": null,
"userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
"accountId": null,
"caller": null,
"sourceIp": "10.50.2.99",
"accessKey": null,
"vpcId": "vpc-6458d901",
"cognitoAuthenticationProvider": null,
"user": null
},
"domainName": "u9mg6eu01d.execute-api.eu-west-1.amazonaws.com",
"apiId": "u9mg6eu01d"
},
"body": null,
"isBase64Encoded": false
},
"context": {
"aws_request_id": "435b7522-f18d-11e8-a977-8751f2607bbf",
"log_group_name": "/aws/lambda/just_a_test",
"log_stream_name": "2018/11/26/[$LATEST]6d13904cc8494c95b5e69d6f8e5d9b34",
"function_name": "just_a_test",
"memory_limit_in_mb": "128",
"function_version": "$LATEST",
"invoked_function_arn": "arn:aws:lambda:eu-west-1:092475124519:function:just_a_test",
"client_context": null,
"identity": "<CognitoIdentity object>"
}
}{
"resource": "/{proxy+}",
"path": "/hi",
"httpMethod": "GET",
"headers": {
"accept": "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8",
"accept-encoding": "gzip, deflate, br",
"accept-language": "en-US,en;q=0.9,is;q=0.8,zh-CN;q=0.7,zh;q=0.6",
"cache-control": "max-age=0",
"cookie": "pN=15; s_pers=%20s_vnum%3D1544122842493%2526vn%253D3%7C1544122842493%3B%20s_invisit%3Dtrue%7C1543098144265%3B%20s_nr%3D1543096344268-Repeat%7C1550872344268%3B; s_sess=%20s_cc%3Dtrue%3B%20s_sq%3D%3B",
"Host": "5fsrdz4c2i.execute-api.eu-west-1.amazonaws.com",
"upgrade-insecure-requests": "1",
"User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
"X-Amzn-Trace-Id": "Root=1-5bfbeb90-8aeb6bcee9411996d4d01bb8",
"X-Forwarded-For": "153.92.155.138",
"X-Forwarded-Port": "443",
"X-Forwarded-Proto": "https"
},
"multiValueHeaders": {
"accept": [
"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8"
],
"accept-encoding": [
"gzip, deflate, br"
],
"accept-language": [
"en-US,en;q=0.9,is;q=0.8,zh-CN;q=0.7,zh;q=0.6"
],
"cache-control": [
"max-age=0"
],
"cookie": [
"pN=15; s_pers=%20s_vnum%3D1544122842493%2526vn%253D3%7C1544122842493%3B%20s_invisit%3Dtrue%7C1543098144265%3B%20s_nr%3D1543096344268-Repeat%7C1550872344268%3B; s_sess=%20s_cc%3Dtrue%3B%20s_sq%3D%3B"
],
"Host": [
"5fsrdz4c2i.execute-api.eu-west-1.amazonaws.com"
],
"upgrade-insecure-requests": [
"1"
],
"User-Agent": [
"Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36"
],
"X-Amzn-Trace-Id": [
"Root=1-5bfbeb90-8aeb6bcee9411996d4d01bb8"
],
"X-Forwarded-For": [
"153.92.155.138"
],
"X-Forwarded-Port": [
"443"
],
"X-Forwarded-Proto": [
"https"
]
},
"queryStringParameters": null,
"multiValueQueryStringParameters": null,
"pathParameters": {
"proxy": "hi"
},
"stageVariables": null,
"requestContext": {
"resourceId": "6hif7j",
"resourcePath": "/{proxy+}",
"httpMethod": "GET",
"extendedRequestId": "Q-G-hGV6DoEFZKg=",
"requestTime": "26/Nov/2018:12:48:16 +0000",
"path": "/dev/hi",
"accountId": "092475124519",
"protocol": "HTTP/1.1",
"stage": "dev",
"domainPrefix": "5fsrdz4c2i",
"requestTimeEpoch": 1543236496123,
"requestId": "8b102d55-f179-11e8-a11e-c5c62484157a",
"identity": {
"cognitoIdentityPoolId": null,
"accountId": null,
"cognitoIdentityId": null,
"caller": null,
"sourceIp": "153.92.155.138",
"accessKey": null,
"cognitoAuthenticationType": null,
"cognitoAuthenticationProvider": null,
"userArn": null,
"userAgent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.102 Safari/537.36",
"user": null
},
"domainName": "5fsrdz4c2i.execute-api.eu-west-1.amazonaws.com",
"apiId": "5fsrdz4c2i"
},
"body": null,
"isBase64Encoded": false
}{
"aws_request_id": "a6f3a757-f17a-11e8-9181-db24872f67f0",
"log_group_name": "/aws/lambda/just_a_test",
"log_stream_name": "2018/11/26/[$LATEST]6ea248e3e6094d7297935a2bb3c71e2d",
"function_name": "just_a_test",
"memory_limit_in_mb": "128",
"function_version": "$LATEST",
"invoked_function_arn": "arn:aws:lambda:eu-west-1:092475124519:function:just_a_test",
"client_context": null,
"identity": "<__main__.CognitoIdentity object at 0x7fec3e09fda0>"
}