# What Claude (Anthropic) with web search answered for payment processing (nonprofits) on 2026-10-13

## In short

On 2026-10-13, Claude (Anthropic) with web search was asked "best payment processing for nonprofits". It named 13 brands; the first six, in order, were Stripe, PayPal, Square, Zeffy, EIN and ACH.

| Fact | Value |
| --- | --- |
| Question | best payment processing for nonprofits |
| Asked on | 2026-10-13 |
| Engine | Claude (Anthropic) with web search |
| Model | claude-opus-5 |
| Brands named | 13 |
| Sources cited | 11 |
| Audience | nonprofits |
| Coverage | Coverage: Claude (Anthropic) with web search. Other engines not included. |
| Last verified | 2026-10-13 |

Page: https://bikoosh.com/answers/s/payment-processing-nonprofits-2026-10-13
Coverage: Claude (Anthropic) with web search. Other engines not included.

## The answer, as recorded

Asked on 2026-10-13 through Claude (Anthropic) with web search (model claude-opus-5).

> ## Short version
> 
> For most US nonprofits, the answer is **Stripe at the nonprofit rate, sitting under a donation platform you don't pay for** - plus PayPal as a second button and Square if you take money in person. Here's who I'd actually name, in order:
> 
> **1. Zeffy** - if you're small or volunteer-run, start here. Genuinely 0% platform *and* 0% processing; they survive on an optional donor tip (prompted at checkout, with a "no thanks" option). Nothing else gets you 100% of a gift. Caveats: the tip prompt annoys some donors and boards, the feature set is shallower than competitors, and you're dependent on a company whose revenue is voluntary. ([Zeffy model](https://www.zeffy.com/home/research), [critical review](https://donorbox.org/nonprofit-blog/zeffy-reviews))
> 
> **2. Stripe (nonprofit discount)** - the best *processor* for anyone with a website or a developer. Eligible 501(c)(3)s get **2.2% + 30¢** instead of 2.9% + 30¢, if 80%+ of your volume is tax-deductible donations. It is not automatic and not retroactive - email nonprofit@stripe.com with your EIN/determination letter. Also: Stripe ACH is 0.8% capped at $5, which is the single biggest savings available on four- and five-fig

## Brands named, in the order the engine gave

| Position | Brand | How it was named |
|---|---|---|
| 1 | Stripe | mentioned |
| 2 | PayPal | mentioned |
| 3 | Square | mentioned |
| 4 | Zeffy | mentioned |
| 5 | EIN | mentioned |
| 6 | ACH | mentioned |
| 7 | Givebutter | recommended |
| 8 | all-in-one | recommended |
| 9 | PayPal Giving Fund | mentioned |
| 10 | Donorbox | mentioned |
| 11 | Bloomerang | mentioned |
| 12 | Blackbaud | mentioned |
| 13 | Classy | mentioned |

## Sources the engine cited

- https://www.zeffy.com/home/research (vendor)
- https://donorbox.org/nonprofit-blog/zeffy-reviews (vendor)
- https://checkoutpage.com/blog/stripe-for-nonprofits (other)
- https://support.goodbricks.org/knowledge-base/apply-for-stripe-discount/ (other)
- https://www.g2.com/compare/givebutter-vs-zeffy (review)
- https://paypal.com/charities (vendor)
- https://givebutter.com/blog/paypal-giving (vendor)
- https://donorbox.org/pricing (vendor)
- https://square.com/us/en/payments/our-fees (vendor)
- https://givebutter.com/blog/square-for-nonprofits (vendor)
- https://bloomerang.com/blog/new-feature-introducing-bloomerang-payments/ (vendor)

The question page: https://bikoosh.com/answers/q/payment-processing/nonprofits

Alerts and membership: Answer Watch Pro, 79 USD per month: https://bikoosh.com/answers. Bikoosh is monitoring assistance, not complete protection.

Answer Watch records what one AI answer engine said on one date, nothing more. Each page names the engine and the model, carries the date the question was asked, and lists the brands that appeared in the answer in the order the engine gave them, with the sources it cited. It is a measurement, not a ranking, not a recommendation and not a claim about the world. Brands that did not appear in an answer are not named on any public page. Coverage: Claude (Anthropic) with web search. Other engines not included.