---
title: "Integrations - Fiserv"
url: "https://docs.unified.to/integrations/fiserv"
description: "Build Fiserv integrations faster with our Unified API — Payments data, API key, real-time sync."
date: "2026-10-25T22:24:19.492Z"
updated: "2026-10-25T22:24:19.492Z"
---
![](https://api.unified.to/docs/images/fiserv.png)

# Fiserv integration

[Back to integrations](https://docs.unified.to/integrations.md)

#### Overview

Company website:

<https://www.fiserv.com>

Integration launch date:

October 2, 2026

API Categories:

[Payments](https://docs.unified.to/payment/overview.md)[Passthrough](https://docs.unified.to/passthrough/overview.md)

API Authorization:

 API Key / API Secret / Merchant ID

Data-regions:

 Production Sandbox

#### PAYMENT PAYMENT

End-API object:

 transaction

Unified API Methods:

[List](https://docs.unified.to/payment/payment/List%5Fall%5Fpayments.md)[Get](https://docs.unified.to/payment/payment/Retrieve%5Fa%5Fpayment.md)

Webhooks:

 Virtual

List options:

end\_ltlimitoffsetstart\_gteupdated\_gte

Readable fields:

[card\_brand](https://docs.unified.to/payment/payment/model.md)[card\_last4](https://docs.unified.to/payment/payment/model.md)[created\_at](https://docs.unified.to/payment/payment/model.md)[currency](https://docs.unified.to/payment/payment/model.md)[device\_id](https://docs.unified.to/payment/payment/model.md)[fee\_amount](https://docs.unified.to/payment/payment/model.md)[id](https://docs.unified.to/payment/payment/model.md)[notes](https://docs.unified.to/payment/payment/model.md)[payment\_method](https://docs.unified.to/payment/payment/model.md)[reference](https://docs.unified.to/payment/payment/model.md)[status](https://docs.unified.to/payment/payment/model.md)[tender\_type](https://docs.unified.to/payment/payment/model.md)[tip\_amount](https://docs.unified.to/payment/payment/model.md)[total\_amount](https://docs.unified.to/payment/payment/model.md)

Writable fields:

[\-none-](https://docs.unified.to/payment/payment/model.md)

#### PAYMENT PAYOUT

End-API object:

 funding

Unified API Methods:

[List](https://docs.unified.to/payment/payout/List%5Fall%5Fpayouts.md)[Get](https://docs.unified.to/payment/payout/Retrieve%5Fa%5Fpayout.md)

Webhooks:

 Virtual

List options:

limitoffsetupdated\_gte

Readable fields:

[created\_at](https://docs.unified.to/payment/payout/model.md)[currency](https://docs.unified.to/payment/payout/model.md)[id](https://docs.unified.to/payment/payout/model.md)[notes](https://docs.unified.to/payment/payout/model.md)[status](https://docs.unified.to/payment/payout/model.md)[total\_amount](https://docs.unified.to/payment/payout/model.md)

Writable fields:

[\-none-](https://docs.unified.to/payment/payout/model.md)

#### PASSTHROUGH

Unified API Methods:

[POST](https://docs.unified.to/passthrough/overview.md)[GET](https://docs.unified.to/passthrough/overview.md)[PUT](https://docs.unified.to/passthrough/overview.md)[DELETE](https://docs.unified.to/passthrough/overview.md)

List options:

\-none-

Readable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)

Writable fields:

[\-none-](https://docs.unified.to/passthrough/undefined/model.md)