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Technologies · September 2026

Which Payment processors is readiest for AI agents?

14 measured, averaging 49.5% against 21.0% for the web overall. Systems that handle online transactions

Every one of them, best first

How to read these figures

The colour says what a bar IS, not how it scores: the accent is the one this page is about, grey is everything it is compared with, and the hollow bar is the web overall — the ruler, not a rival. Whether a figure is above or below the rest of the web is in the number and in the arrow beside it.

Every figure here comes from a sample, not from counting every site — so it carries a margin: how much it could move if we had happened to sample different pages. A figure measured on a thousand pages has a wide margin; one measured on a hundred thousand has a narrow one. It matters for one thing: two figures that differ by less than the wider of their margins are not one above the other, they are tied. That is why nothing here has a position number.

Every technology in this category the census can publish a figure for, including the ones above. A technology is here when it has all four dimensions and enough sample to publish; a technology that belongs to two categories is in both.

TechnologyAWCSMonth by month
American Express

American Express

Sample
n=3,109
Coverage
99.2%
Margin
±0.95
The web overall
21.0%

Two figures closer together than ±0.95 are tied, not ranked.

American Express scores 64.8%64.8%
American Express: 5 months, no significant change= +1.0
Shop Pay

Shop Pay

Sample
n=4,289
Coverage
99.4%
Margin
±0.81
The web overall
21.0%

Two figures closer together than ±0.81 are tied, not ranked.

Shop Pay scores 64.8%64.8%
Shop Pay: 5 months, up▲ +0.9
Apple Pay

Apple Pay

Sample
n=4,726
Coverage
99.2%
Margin
±0.77
The web overall
21.0%

Two figures closer together than ±0.77 are tied, not ranked.

Apple Pay scores 64.1%64.1%
Apple Pay: 5 months, up▲ +0.9
Visa

Visa

Sample
n=3,504
Coverage
99.3%
Margin
±0.90
The web overall
21.0%

Two figures closer together than ±0.90 are tied, not ranked.

Visa scores 64.0%64.0%
Visa: 5 months, up▲ +1.1
Venmo

Venmo

Sample
n=337
Coverage
99.7%
Margin
±2.89
The web overall
21.0%

Two figures closer together than ±2.89 are tied, not ranked.

Venmo scores 64.0%64.0%
Venmo: 5 months, no significant change= −0.2
Google Pay

Google Pay

Sample
n=2,948
Coverage
99.2%
Margin
±0.98
The web overall
21.0%

Two figures closer together than ±0.98 are tied, not ranked.

Google Pay scores 63.9%63.9%
Google Pay: 5 months, up▲ +1.3
Mastercard

Mastercard

Sample
n=3,495
Coverage
99.3%
Margin
±0.90
The web overall
21.0%

Two figures closer together than ±0.90 are tied, not ranked.

Mastercard scores 63.9%63.9%
Mastercard: 5 months, up▲ +1.0
Klarna Checkout

Klarna Checkout

Sample
n=885
Coverage
99.2%
Margin
±1.78
The web overall
21.0%

Two figures closer together than ±1.78 are tied, not ranked.

Klarna Checkout scores 63.6%63.6%
Klarna Checkout: 5 months, up▲ +3.4
Amazon Pay

Amazon Pay

Sample
n=306
Coverage
98.4%
Margin
±3.03
The web overall
21.0%

Two figures closer together than ±3.03 are tied, not ranked.

Amazon Pay scores 54.8%54.8%
Amazon Pay: 5 months, up▲ +7.7
PayPal

PayPal

Sample
n=6,131
Coverage
98.4%
Margin
±0.68
The web overall
21.0%

Two figures closer together than ±0.68 are tied, not ranked.

PayPal scores 46.3%46.3%
PayPal: 5 months, up▲ +2.2
Razorpay

Razorpay

Sample
n=119
Coverage
85.6%
Margin
±4.86
The web overall
21.0%

Two figures closer together than ±4.86 are tied, not ranked.

Razorpay scores 29.5%29.5%
Razorpay: 4 months, no significant change= +1.0
Stripe

Stripe

Sample
n=2,436
Coverage
94.8%
Margin
±1.07
The web overall
21.0%

Two figures closer together than ±1.07 are tied, not ranked.

Stripe scores 20.1%20.1%
Stripe: 5 months, up▲ +1.5
Patreon

Patreon

Sample
n=223
Coverage
95.7%
Margin
±3.55
The web overall
21.0%

Two figures closer together than ±3.55 are tied, not ranked.

Patreon scores 17.2%17.2%
Patreon: 5 months, no significant change= −3.8
authorize.net

authorize.net

Sample
n=102
Coverage
100.0%
Margin
±5.25
The web overall
21.0%

Two figures closer together than ±5.25 are tied, not ranked.

authorize.net scores 12.5%12.5%
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