Personalized Offers

mastercard · Company

Company No Auth Free & Open API

This API provides content for financial instutions participating in Mastercard Personalized Offers to use in online and mobile banking applications for cardholders.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Returns Matched Offers

This resource returns offers that are available to the user and conform to the search criteria (if specified).

https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers?FId=example&Lang=en&Category=example&OfferType=example&UserToken=example&PageNumber=1&ItemsPerPage=1&MerchantName=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers?FId=example&Lang=en&Category=example&OfferType=example&UserToken=example&PageNumber=1&ItemsPerPage=1&MerchantName=example"

import requests
params = {
    "FId": "example",
    "Lang": "en",
    "Category": "example",
    "OfferType": "example",
    "UserToken": "example",
    "PageNumber": "1",
    "ItemsPerPage": "1",
    "MerchantName": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers');
url.searchParams.set('FId', 'example');
url.searchParams.set('Lang', 'en');
url.searchParams.set('Category', 'example');
url.searchParams.set('OfferType', 'example');
url.searchParams.set('UserToken', 'example');
url.searchParams.set('PageNumber', '1');
url.searchParams.set('ItemsPerPage', '1');
url.searchParams.set('MerchantName', 'example');

const response = await fetch(url); 
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/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers")
	q := baseURL.Query()
	q.Set("FId", "example")
	q.Set("Lang", "en")
	q.Set("Category", "example")
	q.Set("OfferType", "example")
	q.Set("UserToken", "example")
	q.Set("PageNumber", "1")
	q.Set("ItemsPerPage", "1")
	q.Set("MerchantName", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers")
uri.query = URI.encode_www_form({
  "FId" => "example",
  "Lang" => "en",
  "Category" => "example",
  "OfferType" => "example",
  "UserToken" => "example",
  "PageNumber" => "1",
  "ItemsPerPage" => "1",
  "MerchantName" => "example"
})

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/mastercard.com/PersonalizedLoyaltyOffers/1.3/matchedoffers?" . http_build_query([
    "FId" => "example",
    "Lang" => "en",
    "Category" => "example",
    "OfferType" => "example",
    "UserToken" => "example",
    "PageNumber" => "1",
    "ItemsPerPage" => "1",
    "MerchantName" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns Information on an Offer

This resource returns extended information for the requested offer, typically used to display a detail view.

https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails?FId=example&OfferId=example&UserToken=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails?FId=example&OfferId=example&UserToken=example"

import requests
params = {
    "FId": "example",
    "OfferId": "example",
    "UserToken": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails');
url.searchParams.set('FId', 'example');
url.searchParams.set('OfferId', 'example');
url.searchParams.set('UserToken', 'example');

const response = await fetch(url); 
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/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails")
	q := baseURL.Query()
	q.Set("FId", "example")
	q.Set("OfferId", "example")
	q.Set("UserToken", "example")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails")
uri.query = URI.encode_www_form({
  "FId" => "example",
  "OfferId" => "example",
  "UserToken" => "example"
})

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/mastercard.com/PersonalizedLoyaltyOffers/1.3/offerdetails?" . http_build_query([
    "FId" => "example",
    "OfferId" => "example",
    "UserToken" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns Redeemed Offers

This resource returns offers that have been fulfilled by the user.

https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers?FId=example&Lang=en&UserToken=example&PageNumber=1&ItemsPerPage=1

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers?FId=example&Lang=en&UserToken=example&PageNumber=1&ItemsPerPage=1"

import requests
params = {
    "FId": "example",
    "Lang": "en",
    "UserToken": "example",
    "PageNumber": "1",
    "ItemsPerPage": "1"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers');
url.searchParams.set('FId', 'example');
url.searchParams.set('Lang', 'en');
url.searchParams.set('UserToken', 'example');
url.searchParams.set('PageNumber', '1');
url.searchParams.set('ItemsPerPage', '1');

const response = await fetch(url); 
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/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers")
	q := baseURL.Query()
	q.Set("FId", "example")
	q.Set("Lang", "en")
	q.Set("UserToken", "example")
	q.Set("PageNumber", "1")
	q.Set("ItemsPerPage", "1")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	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/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers")
uri.query = URI.encode_www_form({
  "FId" => "example",
  "Lang" => "en",
  "UserToken" => "example",
  "PageNumber" => "1",
  "ItemsPerPage" => "1"
})

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/mastercard.com/PersonalizedLoyaltyOffers/1.3/redeemedoffers?" . http_build_query([
    "FId" => "example",
    "Lang" => "en",
    "UserToken" => "example",
    "PageNumber" => "1",
    "ItemsPerPage" => "1"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($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 Personalized Offers?

Personalized Offers is a Company API. Developers commonly use company APIs for:

enriching CRM records with company firmographics
building lead-generation and prospecting tools
verifying business identity and registration details
monitoring competitors and market intelligence
powering B2B data enrichment pipelines

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

New to APIs? Read our beginner's guide

Open documentation ↗