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Amazon WorkMail Message Flow

amazonaws · Cloud

Cloud No Auth Free & Open cloud

The WorkMail Message Flow API provides access to email messages as they are being sent and received by a WorkMail organization.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GetRawMessageContent

Retrieves the raw content of an in-transit email message, in MIME format.

https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}"
import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}';

const response = await fetch(url); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}"
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST PutRawMessageContent

Updates the raw content of an in-transit email message, in MIME format. This example describes how to update in-transit email message. For more information and examples for using this API, see Updatin

https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}"
import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}",
)
print(response.json())
const url = 'https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);
package main

import (
	"fmt"
	"io"
	"net/http"
)

func main() {
	targetURL := "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}"
	req, _ := http.NewRequest("POST", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}
require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}")

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Post.new(uri)

res = http.request(req)
puts JSON.parse(res.body)
<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/workmailmessageflow/2019-05-01/messages/{messageId}";
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗
  1. See official documentation for authentication and setup.

What can you build with Amazon WorkMail Message Flow?

Amazon WorkMail Message Flow is a Cloud API. Developers commonly use cloud APIs for:

  • provisioning and managing cloud infrastructure
  • automating deployments and container orchestration
  • monitoring uptime and performance metrics
  • managing storage buckets and databases
  • setting up auto-scaling and load balancing

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. Amazon WorkMail Message Flow is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗