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Cloud Vision API

googleapis · Analytics

Analytics No Auth Free & Open analytics media

Integrates Google Vision features, including image labeling, face, logo, and landmark detection, optical character recognition (OCR), and detection of explicit content, into applications.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

POST vision.files.annotate

Service that performs image detection and annotation for a batch of files. Now only "application/pdf", "image/tiff" and "image/gif" are supported. This service will extract at most 5 (customers can specify which 5 in AnnotateFileRequest.pages) frames (gif) or pages (pdf or tiff) from each file provi

https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example"
import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "$.xgafv": "1",
    "callback": "example",
    "quotaUser": "example",
    "uploadType": "example",
    "oauth_token": "example",
    "prettyPrint": "true",
    "access_token": "example",
    "upload_protocol": "example"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('fields', 'example');
url.searchParams.set('$.xgafv', '1');
url.searchParams.set('callback', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('uploadType', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('access_token', 'example');
url.searchParams.set('upload_protocol', 'example');

const response = await fetch(url, {
  method: 'POST',
}); 
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/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("$.xgafv", "1")
	q.Set("callback", "example")
	q.Set("quotaUser", "example")
	q.Set("uploadType", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("access_token", "example")
	q.Set("upload_protocol", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "$.xgafv" => "1",
  "callback" => "example",
  "quotaUser" => "example",
  "uploadType" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "access_token" => "example",
  "upload_protocol" => "example"
})

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
$url = "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:annotate?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "$.xgafv" => "1",
    "callback" => "example",
    "quotaUser" => "example",
    "uploadType" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "access_token" => "example",
    "upload_protocol" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST vision.files.asyncBatchAnnotate

Run asynchronous image detection and annotation for a list of generic files, such as PDF files, which may contain multiple pages and multiple images per page. Progress and results can be retrieved through the `google.longrunning.Operations` interface. `Operation.metadata` contains `OperationMetadata

https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example"
import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "$.xgafv": "1",
    "callback": "example",
    "quotaUser": "example",
    "uploadType": "example",
    "oauth_token": "example",
    "prettyPrint": "true",
    "access_token": "example",
    "upload_protocol": "example"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('fields', 'example');
url.searchParams.set('$.xgafv', '1');
url.searchParams.set('callback', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('uploadType', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('access_token', 'example');
url.searchParams.set('upload_protocol', 'example');

const response = await fetch(url, {
  method: 'POST',
}); 
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/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("$.xgafv", "1")
	q.Set("callback", "example")
	q.Set("quotaUser", "example")
	q.Set("uploadType", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("access_token", "example")
	q.Set("upload_protocol", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "$.xgafv" => "1",
  "callback" => "example",
  "quotaUser" => "example",
  "uploadType" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "access_token" => "example",
  "upload_protocol" => "example"
})

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
$url = "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/files:asyncBatchAnnotate?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "$.xgafv" => "1",
    "callback" => "example",
    "quotaUser" => "example",
    "uploadType" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "access_token" => "example",
    "upload_protocol" => "example"
]);
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
POST vision.images.annotate

Run image detection and annotation for a batch of images.

https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate?alt=json&key=YOUR_API_KEY&fields=example&$.xgafv=1&callback=example&quotaUser=example&uploadType=example&oauth_token=example&prettyPrint=true&access_token=example&upload_protocol=example"
import requests
params = {
    "alt": "json",
    "key": "YOUR_API_KEY",
    "fields": "example",
    "$.xgafv": "1",
    "callback": "example",
    "quotaUser": "example",
    "uploadType": "example",
    "oauth_token": "example",
    "prettyPrint": "true",
    "access_token": "example",
    "upload_protocol": "example"
}
response = requests.post(
    "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate');
url.searchParams.set('alt', 'json');
url.searchParams.set('key', 'YOUR_API_KEY');
url.searchParams.set('fields', 'example');
url.searchParams.set('$.xgafv', '1');
url.searchParams.set('callback', 'example');
url.searchParams.set('quotaUser', 'example');
url.searchParams.set('uploadType', 'example');
url.searchParams.set('oauth_token', 'example');
url.searchParams.set('prettyPrint', 'true');
url.searchParams.set('access_token', 'example');
url.searchParams.set('upload_protocol', 'example');

const response = await fetch(url, {
  method: 'POST',
}); 
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/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate")
	q := baseURL.Query()
	q.Set("alt", "json")
	q.Set("key", "YOUR_API_KEY")
	q.Set("fields", "example")
	q.Set("$.xgafv", "1")
	q.Set("callback", "example")
	q.Set("quotaUser", "example")
	q.Set("uploadType", "example")
	q.Set("oauth_token", "example")
	q.Set("prettyPrint", "true")
	q.Set("access_token", "example")
	q.Set("upload_protocol", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate")
uri.query = URI.encode_www_form({
  "alt" => "json",
  "key" => "YOUR_API_KEY",
  "fields" => "example",
  "$.xgafv" => "1",
  "callback" => "example",
  "quotaUser" => "example",
  "uploadType" => "example",
  "oauth_token" => "example",
  "prettyPrint" => "true",
  "access_token" => "example",
  "upload_protocol" => "example"
})

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
$url = "https://api.apis.guru/v2/specs/googleapis.com/vision/v1p1beta1/v1p1beta1/images:annotate?" . http_build_query([
    "alt" => "json",
    "key" => "YOUR_API_KEY",
    "fields" => "example",
    "$.xgafv" => "1",
    "callback" => "example",
    "quotaUser" => "example",
    "uploadType" => "example",
    "oauth_token" => "example",
    "prettyPrint" => "true",
    "access_token" => "example",
    "upload_protocol" => "example"
]);
$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 Cloud Vision API?

Cloud Vision API is a Analytics API. Developers commonly use analytics APIs for:

  • tracking product usage and user behaviour
  • building custom reporting and BI dashboards
  • measuring marketing and campaign performance
  • running funnel, retention, and cohort analysis
  • aggregating metrics from multiple data sources

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

New to APIs? Read our beginner's guide

Open documentation ↗