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How does a gift card API work?

By Zach Links4 min. readJun 16, 2026

A globe, a paper airplane, and a stack of gift cards, representing a gift card API that can send rewards globally in bulk.

Running a rewards or incentives program manually is time-consuming and error-prone. A gift card API automates the entire process, from purchase to delivery, making it easy to send digital rewards at scale.

Here's a look at how a gift card API works, when it makes sense to use one, and some real examples from companies that use this method to distribute rewards.

Key takeaways

  • A gift card API lets businesses issue, deliver, and track digital rewards directly from their own systems. This reduces manual admin and helps scale reward programs more efficiently.

  • APIs are best suited for high-volume reward programs and automated workflows that would be difficult to manage manually.

  • When a gift card is sent through an API, the entire process, from authentication to delivery and tracking, happens automatically.

  • A direct API gives teams the most control and customization, while Zapier and native connectors trade flexibility for ease of setup. The right integration approach for your team depends on your send volume and available developer resources.

What is a gift card API?

A gift card API enables software systems to automatically send and manage gift cards through direct connections with gift card providers. 

It works behind the scenes, handling the complex processes involved in generating, delivering, and tracking digital rewards. Think of an API as a bridge between a company’s existing systems and a network of retailers and payment providers.

Instead of manually buying and sending gift cards one by one, businesses can use an API to automate the process. This makes it possible to run high-volume reward programs.

How gift card APIs work

Here’s what happens when a gift card is sent through an API:

  1. The system sends an API request with the recipient’s details and the reward amount.

  2. The API authenticates the request using an API key, which works like a password to confirm the request is coming from the right account.

  3. The API generates a unique gift card code and validates it against the provider’s catalog.

  4. The code is delivered to the recipient by email, SMS, or in-app message.

  5. The API tracks each card’s redemption status and communicates that back to the system

  6. Webhooks, or automatic messages sent by the API, notify the system the moment a card is delivered or redeemed.

The whole process runs in seconds. Most APIs encrypt sensitive data along the way, and the strongest ones add built-in fraud prevention to catch illegitimate transactions before rewards are issued.

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When to use a gift card API

Implementing a gift card API requires some initial setup, but the long-term benefits can be substantial. Here are three real-world examples of organizations that made the switch, and it paid off.

MAF

MAF is a mobile advertising platform that rewards users for engaging with mobile apps. Initially, it relied on its publisher partners to handle user payments, leaving the team with limited visibility into when and how users were paid and fewer safeguards against fraud.

In just one week, MAF integrated a gift card API, giving its team full control over app user payouts. With greater visibility into the payout process and access to fraud prevention tools such as VPN detection and multi-layer verification, the company improved user retention while reducing fraud risk.

Caroo

Caroo is an employee recognition platform best known for its curated physical gifts. As demand for more immediate reward options grew, the company sought to complement its offerings with digital rewards that could be delivered in minutes. The team launched a gift card API integration in just a few weeks. 

“It was seamless,” said Jake Moser, former Director of Product at Caroo. “After we launched the integration, we started seeing more spend on the platform pretty quickly.”

In the first twelve months after launching the API, Caroo generated $1 million in new business.

User Interviews

User Interviews, a UX research platform, used to order gift cards one country at a time and juggle separate vendor logins. “The process took us at least 2 hours per week, and it wasn’t scalable,” said Eve Fickett, Senior Operations Manager at User Interviews.

After moving to a single API integration, the team now sends payouts in bulk with a single click, saving an average of 8 hours per month.

Gift card API vs. Zapier vs. native integrations

There’s no single best way to integrate gift card sending into your existing tech stack. The right approach comes down to your order volume, preferred level of customization, and developer capacity.

Here’s how the three options compare:

ConsiderationGift card APIZapierNative integrations
Setup effortHigh: needs a developer to build against the APILow: no code, pre-built templatesLowest: connect in minutes
Technical skillDeveloper requiredNone requiredNone required
CustomizationHighest: full control over logic and dataModerate: limited to preset triggers and actionsLimited: whatever the connector supports
VolumeHigh volume and bulk sendsLow to moderateModerate, within the connected tool
Connects toAnything you can code againstThousands of appsSpecific tools with a pre-built integration
Best forEngineering teams, custom workflowsNo-code teams with a mixed tech stackTeams working inside a supported platform

Tremendous supports all three options, so you can start simple and scale up as your needs grow without switching platforms.

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