Best Payment Processors for agencies

Ranked by AI-assistant recommendations, with integration breadth weighted up — agencies run many client stacks. We ask ChatGPT, Claude, Perplexity, Gemini and Copilot real buyer questions every hour and record which brands they name.

1. #1Square

   74.2% AI citation rate(31 questions)

   From:

   $0/mo.

   Free tier:

   yes

   Integrations listed:

   4

   POS app for any payment · Build an online ordering profile · Track inventory and sales

   No monthly fees for basic plan · Good for small businesses

   See Square's AI visibilityClaim this listing

2. #2Stripe

   67.7% AI citation rate(31 questions)

   From:

   2.9% + 30¢ per successful transaction for domestic cards

   Pay-as-you-go pricing · No setup or monthly fees · Custom pricing for high volume

   Comprehensive payment platform · Flexible pricing models

   See Stripe's AI visibilityClaim this listing

3. #3PayPal

   51.6% AI citation rate(31 questions)
   See PayPal's AI visibilityClaim this listing

4. #4Helcim

   38.7% AI citation rate(31 questions)

   Free tier:

   yes

   Integrations listed:

   8

   Transparent pricing without hidden fees · Lower rates based on monthly volume · Interchange plus pricing model

   No monthly fees or contracts · Transparent fee structure

   See Helcim's AI visibilityClaim this listing

5. #5Adyen

   48.4% AI citation rate(31 questions)

   From:

   $0.13 + fee determined by payment method

   No setup fee or monthly fees · One integration for all payment methods · Flexible payouts in multiple currencies

   Pay per transaction basis · Supports multiple payment methods

   See Adyen's AI visibilityClaim this listing

6. #6Braintree

   38.7% AI citation rate(31 questions)

   From:

   null

   Integrations listed:

   3

   End-to-end payment platform · Chargeback protection tools · Fraud maintenance tools

   Comprehensive payment gateway · User-friendly interface

   See Braintree's AI visibilityClaim this listing

7. #7Authorize.net

   35.5% AI citation rate(31 questions)

   From:

   $25/month

   Free tier:

   no

   Low transaction rates · All-in-one payment gateway · Support for credit cards and ACH

   Flexible payment options · No hidden fees

   See Authorize.net's AI visibilityClaim this listing

8. #8Razorpay

   3.2% AI citation rate(31 questions)

   From:

   2% + GST

   Integrations listed:

   8

   Payment Gateway · International Payments · Instant Refunds

   Transparent pricing structure · No hidden fees

   See Razorpay's AI visibilityClaim this listing

9. #9Checkout.com

   16.1% AI citation rate(31 questions)

   Free tier:

   yes

   Transparent card fees · Free payment for charities · Global payment processing

   Tailored pricing based on needs · Global coverage in 150+ currencies

   See Checkout.com's AI visibilityClaim this listing

10. #10Worldpay

    6.5% AI citation rate(31 questions)

    From:

    £15.00/month

    Modern performance · Security and trust · Payment efficiency

    Competitive pricing · Quick and easy setup

    See Worldpay's AI visibilityClaim this listing