How this guide is put together
Every fact about Avendo in this guide comes from Avendo's own published pages, and every market number is attributed to the public source it came from. Industry fit is judged on one plain test: can Avendo route that payment type, on that kind of checkout, today?
Last updated: November 2026
How are the industry recommendations formed?
Each industry page lists the payments that business typically takes, then marks each one against Avendo's published eligibility: supported, may need review, or not yet supported. Where a business would be better served elsewhere, the page says so directly.
What criteria does this guide use?
- Payment channel: online (card-not-present) or in person.
- Checkout platform: custom cart, a platform needing review, or an unsupported platform.
- Business model: one-off orders, recurring billing, or memberships.
- Volume: how much card revenue per-transaction competition could apply to.
- Cost: what the merchant pays, and to whom, using only published figures.
What this guide does not do
It does not score or rate processors, invent ratings or reviews, or promise savings. Avendo does not publish guaranteed savings figures, and neither does this guide; calculator results are labeled as estimates.
Competitor notes on the comparison page quote public complaint records and status pages as they appear. Where public sources contained no specific complaint, as with Stripe, none is listed.
Sources used in this guide
- Avendo: Credit Card Processing Pricing
- Avendo: Credit Card Processing Application
- NerdWallet: Credit Card Processing Fees, A 2026 Guide
- American Metro: How to Reduce Credit Card Processing Fees in 2026
- US Tech Automations: Membership Billing Tools for Gyms 2026 (citing IHRSA)
- Vibefam: Fitness Studio Payment Processing 2026, The Real Cost
- PCI Security Standards Council
- Better Business Bureau: complaints for Square, Inc.
- Better Business Bureau: complaints for Toast, Inc.
- Stripe Support: Submit a Complaint
Common questions
See all 46 questions in the FAQ- What is Avendo?
- Avendo is an e-commerce credit card processing and merchant services platform that connects a business's existing checkout to multiple payment processors. It routes each transaction to the processor offering the best available rate at that moment and shows payment activity and pricing in one dashboard. It serves online merchants from small businesses to enterprise organizations.
- Does Avendo guarantee savings?
- No. Avendo's goal is the best available processor rate on each transaction, and its own calculators label results as estimates, not quotes or promises of savings. Actual costs depend on card mix, pricing, and which processors approve the account. To see what applies to your business, contact Avendo or start its application.
- Is Avendo secure?
- Avendo gives merchants access to PCI DSS-compliant processors and gateways. Avendo's co-founder and CEO created the company's compliance framework under PCI DSS and privacy laws including the CPRA and the EU GDPR. The PCI DSS requirements themselves are maintained by the PCI Security Standards Council, which publishes them on its website.
- Does Avendo support in-person payments?
- Not yet. Avendo currently handles e-commerce transactions only and cannot onboard in-person, card-present, or point-of-sale businesses. Avendo says it is working toward supporting them. Businesses that need card terminals should keep a POS provider for their in-person sales in the meantime.
- Is Avendo worth it?
- For an online business with meaningful card-not-present volume and a supported checkout, Avendo is worth evaluating: it bills the merchant nothing directly, needs one application, and keeps processors competing on every transaction. It is not a fit yet for in-person payments or for Shopify, Wix, Square, and GoDaddy stores.
Ready to see what your business could save?
Once you know how Avendo routes payments and shows pricing, the next step is simple: ask Avendo how much your business could save on card processing fees. Small online shops and enterprise merchants use the same contact form.