Amazon Comprehend

amazonaws · Cloud

Cloud No Auth Free & Open cloud

Amazon Comprehend is an Amazon Web Services service for gaining insight into the content of documents. Use these actions to determine the topics contained in your documents, the topics they discuss, the predominant sentiment expressed in them, the predominant language used, and more.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

POST ListDatasets

List the datasets that you have configured in this Region. For more information about datasets, see Flywheel overview in the Amazon Comprehend Developer Guide .

https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets?NextToken=example&MaxResults=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

X-Amz-Target

Comprehend_20171127.ListDatasets

curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets?NextToken=example&MaxResults=example" \
  -H "X-Amz-Target: Comprehend_20171127.ListDatasets"

import requests
params = {
    "NextToken": "example",
    "MaxResults": "example"
}
headers = {
    "X-Amz-Target": "Comprehend_20171127.ListDatasets"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets",
    params=params,
    headers=headers,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets');
url.searchParams.set('NextToken', 'example');
url.searchParams.set('MaxResults', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'Comprehend_20171127.ListDatasets'
  },
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets")
	q := baseURL.Query()
	q.Set("NextToken", "example")
	q.Set("MaxResults", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "Comprehend_20171127.ListDatasets")

	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/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets")
uri.query = URI.encode_www_form({
  "NextToken" => "example",
  "MaxResults" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "Comprehend_20171127.ListDatasets"

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDatasets?" . http_build_query([
    "NextToken" => "example",
    "MaxResults" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: Comprehend_20171127.ListDatasets"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST ListDocumentClassificationJobs

Gets a list of the documentation classification jobs that you have submitted.

https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs?NextToken=example&MaxResults=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

X-Amz-Target

Comprehend_20171127.ListDocumentClassificationJobs

curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs?NextToken=example&MaxResults=example" \
  -H "X-Amz-Target: Comprehend_20171127.ListDocumentClassificationJobs"

import requests
params = {
    "NextToken": "example",
    "MaxResults": "example"
}
headers = {
    "X-Amz-Target": "Comprehend_20171127.ListDocumentClassificationJobs"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs",
    params=params,
    headers=headers,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs');
url.searchParams.set('NextToken', 'example');
url.searchParams.set('MaxResults', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'Comprehend_20171127.ListDocumentClassificationJobs'
  },
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs")
	q := baseURL.Query()
	q.Set("NextToken", "example")
	q.Set("MaxResults", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "Comprehend_20171127.ListDocumentClassificationJobs")

	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/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs")
uri.query = URI.encode_www_form({
  "NextToken" => "example",
  "MaxResults" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "Comprehend_20171127.ListDocumentClassificationJobs"

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassificationJobs?" . http_build_query([
    "NextToken" => "example",
    "MaxResults" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: Comprehend_20171127.ListDocumentClassificationJobs"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST ListDocumentClassifierSummaries

Gets a list of summaries of the document classifiers that you have created

https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries?NextToken=example&MaxResults=example

Hover any highlighted part to learn what it does

Headers — extra info sent with the request

X-Amz-Target

Comprehend_20171127.ListDocumentClassifierSummaries

curl -X POST "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries?NextToken=example&MaxResults=example" \
  -H "X-Amz-Target: Comprehend_20171127.ListDocumentClassifierSummaries"

import requests
params = {
    "NextToken": "example",
    "MaxResults": "example"
}
headers = {
    "X-Amz-Target": "Comprehend_20171127.ListDocumentClassifierSummaries"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries",
    params=params,
    headers=headers,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries');
url.searchParams.set('NextToken', 'example');
url.searchParams.set('MaxResults', 'example');

const response = await fetch(url, {
  method: 'POST',
  headers: {
    'X-Amz-Target': 'Comprehend_20171127.ListDocumentClassifierSummaries'
  },
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries")
	q := baseURL.Query()
	q.Set("NextToken", "example")
	q.Set("MaxResults", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("POST", targetURL, nil)
	req.Header.Set("X-Amz-Target", "Comprehend_20171127.ListDocumentClassifierSummaries")

	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/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries")
uri.query = URI.encode_www_form({
  "NextToken" => "example",
  "MaxResults" => "example"
})

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

req = Net::HTTP::Post.new(uri)
req["X-Amz-Target"] = "Comprehend_20171127.ListDocumentClassifierSummaries"

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/amazonaws.com/comprehend/2017-11-27/#X-Amz-Target=Comprehend_20171127.ListDocumentClassifierSummaries?" . http_build_query([
    "NextToken" => "example",
    "MaxResults" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
    "header" => implode("\r\n", [
        "X-Amz-Target: Comprehend_20171127.ListDocumentClassifierSummaries"
    ]),
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with Amazon Comprehend?

Amazon Comprehend 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 Comprehend is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗