AI Search Visibility Leaderboard: Payment Gateways & Billing APIs (2026)
Live 2026 AI Search Citation Share-of-Voice (cSoV) benchmark for Payment Infrastructure. Compare Stripe (42.8%), Adyen (24.6%), Braintree (18.1%), and Paddle (14.5%) across ChatGPT Search, Perplexity, and Gemini.
Answer-First Executive Summary (Payment Infrastructure)
Across 25 unbranded commercial buyer prompts in Payment Infrastructure, Stripe leads AI answer engine visibility with 42.8% weighted Citation Share-of-Voice (cSoV), followed by Adyen (24.6%), Braintree (18.1%), and Paddle (14.5%). Brands with a valid root /llms.txt manifest and explicit PerplexityBot + OAI-SearchBot permissions captured 2.4x more rank #1 citations.
| Rank | Brand | Domain | Weighted cSoV | /llms.txt Status | JSON-LD Score |
|---|---|---|---|---|---|
| #1 | Stripe | stripe.com | 42.8% | Active (/llms.txt + /llms-full.txt) | 94/100 |
| #2 | Adyen | adyen.com | 24.6% | Partial (/llms.txt only) | 84/100 |
| #3 | Braintree | braintree.com | 18.1% | Missing (404) | 76/100 |
| #4 | Paddle | paddle.com | 14.5% | Missing (404) | 68/100 |
Deploying a spec-compliant /llms.txt and SoftwareApplication + FAQPage JSON-LD graph is the highest-leverage engineering move to overtake Stripe and Adyen in Payment Infrastructure prompts.
Run a Live 10-Second GEO Audit on Your Own Domain
Compare your cSoV against Stripe and auto-compile your custom /llms.txt + JSON-LD graph.