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272 processors · independently graded

Every processor.
Graded on evidence.

We grade payment processors on pricing transparency, features, support and contract terms — then publish the reasoning behind every grade.

Browse all reviews →Get matched — free
reviewed
272

reviewed

independent
100%

independent

always
Free

always

The report card

real directory data
  1. 01

    Stripe

    Payfac / Aggregator

    2.9% + $0.30A
    First payout 7-14 days; then a rolling schedule of about 2 business daysNo monthly fees
  2. 02

    PayKings

    Agent Office / Reseller

    IC + 1.10% + 25c, or IC + 0.80% + 10c above $100K/mo.A
    Payout T+2, or next-day above $100K/mo.$13 (waived on Growth). monthly
  3. 03

    Square

    POS & Business Software

    3.3% + $0.30 for Square Online and invoices on the free plan; 2.9% + $0.30 through the Payments API, or on Plus and PremiumA
    Payout Next business day
Ranked by grade, then mean category score.Full leaderboard →

In the directory

  • PayseraPaysera
  • HyperPayHyperPay
  • CulqiCulqi
  • ZiinaZiina
  • StancerStancer
  • PaymentwallPaymentwall
  • NOWPaymentsNOWPayments
  • EasebuzzEasebuzz
  • ComgateComgate
  • CieloCielo
  • BuckarooBuckaroo
  • AlmaAlma

The evidence

Every number is published — or marked absent.

Rates, fees, payout times and contract terms come from published documentation and public filings — never from a sales call. Each review carries the date it was last fact-checked.

Where a provider doesn't disclose a number, the review says so. We don't estimate, and we don't fill gaps with marketing copy.

Read the Helcim review →

The fact sheet

real directory data
A-

Helcim

Fact-checked September 7, 2026

Online rate
Interchange + 0.5% + $0.25 per transaction
Monthly
$0
Payout
Next business morning (eligible banks), else 1–2 days
Contract
No long-term contracts

Every value above is published by the provider. A processor that doesn't publish a number gets “Not disclosed” in that cell — never an estimate.

The grade

Six criteria, scored in the open.

Pricing transparency, feature set, ease of use, customer support, contract terms and industry reputation — every review scores all six, and the grade is what the scores say it is.

No pay-to-play, no sponsored placements. A provider can't buy a better grade; they can only earn one, and the reasoning is published either way.

See every grade →

The scorecard

real directory data
A-

Helcim

Mean category score 4.5/5

Pricing transparency
5.0
Feature set
4.0
Ease of use
4.0
Customer support
4.0
Contract terms
5.0
Industry reputation
5.0

The six weighted scores produce the letter grade — the same rubric for every review in the directory.

Head to head

Put any two head to head.

Same criteria, same evidence, side by side — with a winner called per row and overall, and the reasoning for each call.

Where the honest answer is “it depends on your business”, the comparison says that instead of forcing a verdict. And it's not just the featured matchups — any two of the reviewed processors can be compared.

Compare any two processors →

Head to head

real directory data
takepayments vs SumUp for UK card machines
takepaymentsSumUp
UK consumer debit card1% + 2p to 0.35% + 2p by turnover (indicative)1.69% (pay-as-you-go); 0.99% (Payments Plus)
UK consumer credit card1.5% to 0.6% by turnover (indicative)1.69% (pay-as-you-go); 0.99% (Payments Plus)
Business debit and premium cards2.4% + 2p to 1.5% + 2p (business debit, indicative)1.69% (both plans)
Per-transaction authorisation fee3p (indicative)None✓
Full comparison →
  • Paymob vs PayTabs in Egypt →

Full transparency

We publish the problems too.

Lawsuits, regulatory actions, undisclosed pricing, contract traps — when the evidence turns up a problem, it goes in the review with the same prominence as the praise.

A grade you can trust has to be allowed to be bad. Every item in this feed links to the review that documents it.

Read the reviews →

Watch out

from published reviews
  • Bank of Lithuania v Paysera LT: suspension of the manager

    Paysera · 2017-12-12

    Measure applied
  • Bank of Lithuania v Paysera LT: anti-money-laundering fine

    Paysera · 2020-11-13

    Upheld on appeal
  • Bank of Lithuania v Paysera LT: failure to remedy 2020 findings

    Paysera · 2022-09-06

    Fine imposed
  • Bank of Lithuania v Paysera LT: Contis acquisition and reporting

    Paysera · 2025-09-02

    Fine imposed
  • Doesn't publish its pricing

    HyperPay

    Not disclosed
  • Doesn't publish its pricing

    Paymentwall

    Not disclosed

Documented in the linked reviews — legal actions are listed with case title, date and status.

Top rated

Highest-graded processors

Ranked by grade, then by average category score. Equal grades share a position. An acquirer and an agent office are not the same purchase — pick a category to rank like against like.

Payment Platforms 53Payment Facilitators 89ISOs 41Agent Offices 14Payment Gateways 18POS Systems 22Buy Now, Pay Later Providers 12Merchants of Record 12Bank Payment Providers 11
  1. 1

    Stripe

    Payfac / AggregatorClaimed
    A

    Stripe is a leading payment processor known for its developer-friendly API, transparent pricing, and comprehensive suite of payment solutions for businesses of all sizes.

    Online rate
    2.9% + $0.30
    Payout
    First payout 7-14 days; then a rolling schedule of about 2 business days
    Expert grade ARead review →
  2. 1

    PayKings

    Agent Office / ResellerClaimed
    A

    PayKings is a specialized payment processor offering tailored solutions for high-risk industries with a strong emphasis on fraud prevention.

    Online rate
    IC + 1.10% + 25c, or IC + 0.80% + 10c above $100K/mo.
    Payout
    T+2, or next-day above $100K/mo.
    ★ 4.7 trustpilotRead review →
  3. 1

    Square

    POS & Business Software
    A

    Square offers simple, transparent payment processing ideal for small businesses. Flat-rate pricing, no monthly fees, and excellent software make it a top choice — but account holds and limited support are key concerns.

    Payout
    Next business day
    ★ 1.05 bbbRead review →
  4. 4

    Helcim

    Payfac / Aggregator
    A-

    Helcim is a Calgary-based payment processing company that offers genuinely transparent interchange-plus pricing with no monthly fees, no hidden charges, and a comprehensive suite of free payment tools.

    Online rate
    Interchange + 0.5% + $0.25 per transaction
    Payout
    Next business morning (eligible banks), else 1–2 days
    ★ 2.77 bbbRead review →
  5. 4

    Adyen

    Platform / AcquirerClaimed
    A-

    Adyen is a global, enterprise-grade payments platform that unifies acquiring, processing, routing and risk management into a single stack for merchants with international and omnichannel needs.

    Online rate
    $0.13 + Interchange+ + 0.60% (Visa/Mastercard/Maestro)
    Payout
    1-2 business days (varies by currency, bank, payout model, and cut-off times)
    ★ 1.3 trustpilotRead review →
  6. 4

    Shopify Payments

    Payfac / Aggregator
    A-

    Shopify Payments is Shopify’s own branded payments service — processed by Stripe, per Shopify’s published processor list — giving merchants one-click access to accepting cards and wallets inside Shopify, simplifying setup and eliminating third-party gateway fees for supported merchants.

    Payout
    3 business days after the charge (US), plus 1–3 days for your bank to post it
    ★ 1.01 bbbRead review →
See every category ranked →

The directory

Browse every review

All 272A-grade 11B-grade 227C-grade 34

Paysera

Payfac / Aggregator
B-

Paysera is a Lithuanian electronic money institution, run from Vilnius, that combines a business payment account with online payment collection (Paysera Checkout), in-store card acceptance through its Paysera POS cash register, and an event ticketing platform. Its contracting company, Paysera LT, UAB, has held electronic money institution licence No. 1 from the Bank of Lithuania since 27 September 2012; the company says its story began in 2004. Pricing is published in full on its Lithuanian fees pages, in euros. As of October 2026, online card payments with EU-issued consumer cards cost 1.45% falling to 1.25% with volume, with a €0.15 minimum. Bank payments through Checkout Modern carry no Paysera commission in Lithuania, Latvia and Estonia, and Checkout Classic bank-link payments cost 0.50% to 0.90% with a cap per payment. A business account costs €5 a month in most SEPA countries. There is no fixed contract, but card income is held in full for three days and 5% is kept for three months. Card processing is resold through a partner acquirer (the current terms name Adyen as an example). The Bank of Lithuania lists eight sanctions against Paysera LT, including a €370,000 anti-money-laundering fine from 2020 that Lithuania's top administrative court upheld in March 2026, a €400,000 fine in September 2025 and a €362,000 periodic fine in June 2026.

Online rate
EU cards 1.25–1.45% (min €0.15)
Payout
Card funds held 3 days; 5% for 3 months
Expert grade B-Read review →

HyperPay

Gateway / Orchestration
B-

HyperPay is a payment gateway headquartered in Riyadh, Saudi Arabia, that lets online businesses in Saudi Arabia and several other Arab markets accept cards, wallets and local payment methods through one integration. Its gateway supports mada, Visa, Mastercard, American Express, Apple Pay, STC Pay, UnionPay, Tabby, Tamara, SADAD and PayPal, according to its own site. The business began in Amman, Jordan, as Gate2Play, founded by Muhannad Ebwini, who still runs it; HyperPay says it has processed online payments since 2014. It is backed by investors including Mad'a Investment Company and Mastercard, which led its $36.7 million round in 2022. In January 2025 the Saudi Central Bank (SAMA) licensed its Saudi entity to provide payment services through an electronic wallet, and HyperPay says it holds Saudi Payments certification as an eMSP payment gateway for mada. HyperPay publishes no prices: its FAQ says pricing depends on your country of registration and sends you to its sales team. Its own payments page says it refers each merchant to a partner bank to open the merchant account, and its FAQ says settlement follows that merchant agreement with the acquiring bank. No merchant terms, settlement times or fee schedules are public, and there is very little independent merchant feedback to judge service by.

Pricing clarity
2.0
Feature set
4.0
Ease of use
3.0
Expert grade B-Read review →

Culqi

Payfac / Aggregator
B-

Culqi is a Peruvian card-acceptance brand for small and mid-sized businesses, sold through POS terminals (CulqiFull), an online checkout (CulqiOnline) and payment links (CulqiLink). Credicorp's Grupo Crédito bought 91.36% of it in January 2019 and now owns all of it, and since 2026 Culqi presents itself as part of Banco de Crédito del Perú (BCP): its merchant contracts are now signed with BCP itself, acting as payment facilitator or acquirer. As of October 2026 the published list rates are 3.44% for Peruvian cards and digital wallets on the POS, 3.99% for foreign cards, and 3.44% + US$0.20 for Peruvian cards online. The pricing page says the commissions are not subject to IGV and vary with sales volume. There is no monthly fee, and online sign-up costs nothing; POS terminals are bought outright from S/85 to S/319 depending on model, tax ID type and bank. POS sales made before 4 p.m. are paid out the same evening at selected banks, with weekend and holiday payouts only into a BCP account, for a fee unless a promotion waives it. Online sales pay out in two business days. The contract has no fixed term and either side can end it on 15 days' notice, but it lets BCP hold unpaid funds for up to 90 business days during an investigation and change fees on seven days' notice; a separate BCP acquirer contract allows holds of up to 180 days. We found no regulatory action naming Culqi, and little independent review data.

Online rate
3.44% + US$0.20 (Peruvian cards)
Payout
POS same day; online 2 business days
Expert grade B-Read review →

Ziina

Payfac / Aggregator
B

Ziina is a Dubai payments app for UAE freelancers and small businesses, run by Ziina Payment LLC under licences from the Central Bank of the UAE (CBUAE). It started in 2020 as a consumer app for paying friends with a phone number. It now sells payment links, an online payment gateway with Shopify and WooCommerce plugins, QR and NFC acceptance, and Tap to Pay on iPhone and Android. Pricing is published, and as of October 2026 a business pays 2.6% + AED 1 on every payment it receives, whatever the method. International cards and non-AED currencies cost an extra 1.5%, and 5% VAT is added to the fee only. There is no monthly fee, setup fee or contract. Funds land in a Ziina wallet and are cashed out to a UAE bank account once a day, within two business days for amounts under AED 25,000, according to Ziina. Cash-outs are free until 31 October 2026 and cost AED 1 each from 1 November 2026. Ziina signs up each business directly under its own terms, so approval is fast. The trade-off is that those terms give it wide powers to hold settlement and close accounts. Ziina's own FAQ says it may hold funds for 45 to 120 days when it terminates an account, and in 2026 a run of Trustpilot reviews describes exactly that.

Online rate
2.6% + AED 1, plus 5% VAT on the fee
Payout
Up to 2 business days under AED 25,000
Expert grade BRead review →

Stancer

Platform / Acquirer
B-

Stancer is a French payment institution about 90% owned by iliad SA, the telecoms company behind Free. It is authorised by the ACPR as a payment institution, including for acquiring, and acquires card payments itself, so the merchant contract is with Stancer rather than a bank. It sells to French small businesses through a payment terminal, Tap to Pay on iPhone and Android, payment links and an online checkout API, and it also handles SEPA Direct Debit. Pricing is published and low. As of October 2026 (live pricing page and Pricing Conditions dated August 2024), French CB cards and Visa and Mastercard cards issued in the EEA cost 0.7% + €0.07 on Stancer's terminal, with no fixed fee under €7, and 0.7% + €0.15 for Tap to Pay, links and online payments. Visa and Mastercard cards issued outside the EEA cost 2.5% plus a fixed fee. All prices exclude tax. There is no setup fee, no monthly fee and no fixed term, and the terminal is free in a month with more than 150 transactions on it (the product page says 150 or more), or €15 a month otherwise. The trade-offs are real. Funds reach your bank within seven working days rather than the next day, and faster payout costs 2% of the amount. Stancer does not accept American Express, chargebacks cost €25 on Visa and Mastercard, and the contract makes you pledge a cash collateral that it can top up from your balance and keep for 13 months after you leave. Trustpilot reviews are split, with complaints about frozen funds and slow support.

Online rate
0.7% + €0.15 (EEA cards, ex. tax)
Payout
Within 7 working days
Expert grade B-Read review →

Paymentwall

Payfac / Aggregator
C+

Paymentwall is a San Francisco payments company, founded in 2010, that lets online businesses selling digital goods and services take cards and, by its own count, more than 150 local payment methods such as e-wallets, bank transfers, prepaid cards and cash options. Merchants contract with Paymentwall Inc., which collects payments through its own acquiring and payment-method partners and then pays out what is left after its revenue share and other deductions. As of October 2026 Paymentwall publishes no price list: the pricing page its terms still point to has returned a 404 since at least December 2025, so rates are quoted per account. The terms are restrictive for a small business. The agreement runs for one year and renews automatically. Payouts go out once a month, with a $100 minimum, and many payment methods pay Paymentwall on Net 30 terms or longer. A rolling reserve starts at 5% of gross sales and is released after six months, and Paymentwall can delay payment for up to six months after termination. Its terms send unresolved complaints to the UK Financial Ombudsman Service. The BBB rates Paymentwall A+ and it is BBB-accredited, while Trustpilot shows a 3.0 score, with many negative reviews from shoppers whose purchases or accounts were blocked pending identity checks.

Payout
Monthly, within 5 business days of the 1st
Expert grade C+Read review →

NOWPayments

Gateway / Orchestration
B-

NOWPayments is a cryptocurrency payment gateway launched in 2019 by the team behind the ChangeNOW crypto exchange. It lets a business take payments in more than 350 crypto assets through an API, invoices, payment links, plugins, donation widgets, subscriptions and a browser-based point of sale. Each payment can be forwarded to the merchant's own wallet or held in an optional custody balance, which a third-party provider runs. As of October 2026 its pricing page lists a 1% service fee on payments received and settled in the same coin and 1.5% when the payment is converted or taken at a fixed rate, plus blockchain network fees. Payouts and mass payouts carry no service fee, only network fees. There is no monthly fee, setup fee or contract. The operator is FD Transfers LLC, registered in St. Vincent and the Grenadines with a postal address in Tallinn, Estonia. Its Terms of Service, updated 19 October 2026, say (in section 15.1) that the services are not provided to residents or citizens of the United States, the United Kingdom, the European Union, the UAE or Russia, and that the company can close an account at any time without giving a reason. The US, UK and EU exclusion was already in the April 2026 terms; the UAE and Russia were added later in 2026. We found no regulator licence for NOWPayments itself. Trustpilot rates it 4.5 from 1,122 reviews, but 13% are one-star, and some of those describe blocked accounts and withheld funds.

Online rate
1% same-coin; 1.5% converted, + network fee
Payout
After on-chain confirmation, to your wallet
Expert grade B-Read review →

Easebuzz

Payfac / Aggregator
B-

Easebuzz is a payment aggregator based in Pune, India. It sells an online payment gateway (UPI, cards, netbanking, wallets, EMI and pay-later), payment links, subscriptions and eNACH, split payments, virtual-account collections, payouts, card terminals, UPI soundboxes and cross-border collections, alongside sector software for schools, housing societies, temples, real estate and lenders. The operating company, Easebuzz Private Limited, was incorporated in December 2014 and launched its service in 2016. The Reserve Bank of India's list of authorised payment system operators shows it holding payment aggregator authorisation for online payments (dated 10 February 2025), plus physical and inward-and-outward cross-border payments. Easebuzz is for Indian businesses only: merchants are settled in rupees, including on foreign payments. It publishes no per-transaction rates. Its pricing page says pricing is customised and shared by email after you sign the agreement. GST is charged on its fees. The pricing page promises settlement one working day after the transaction, but the published terms allow up to three working days. Easebuzz reports ₹723 crore of FY26 revenue and a ₹11.15 crore profit after tax, more than 3 lakh merchants and close to US$50 billion in annual payment volume, and says it has been profitable every year. Its Trustpilot profile is small and mostly negative, and merchant accounts on its platform have been caught up in two fraud investigations, an Enforcement Directorate funds freeze in 2022 and a Delhi Police probe in 2024, neither of which has produced a finding against Easebuzz that we could find.

Payout
T+1 working day (terms allow up to T+3)
Expert grade B-Read review →

Comgate

Platform / Acquirer
B

Comgate is a Czech payment institution, licensed and supervised by the Czech National Bank, that sells an online payment gateway for e-shops and card terminals for shops and restaurants. Its legal entity is Comgate a.s., registered in Hradec Králové, with a second office in Prague. It is also a Visa and Mastercard card acquirer, so for most merchants the payment contract is signed directly with Comgate rather than a bank. As of October 2026 it publishes full price lists in Czech crowns (and euro lists for Slovakia). On the Easy plan you pay a flat 1% on EU consumer cards and 2% on other cards. On the Profi plan you pay 0.67% + CZK 1 on EU consumer cards, with higher rates for business and non-EU cards. New merchants get introductory rates for three months, and first-time card merchants can use a Start plan that is free up to CZK 50,000 a month for six months. The gateway's CZK 100 monthly fee is waived above CZK 100,000 of monthly volume. Payouts go out every working day, usually the day after the purchase. The contract has no fixed term and can be ended on two months' notice with no fee. Comgate signs merchants based in the Czech Republic and Slovakia; businesses elsewhere are assessed case by case. It accepts Visa and Mastercard, not American Express. Independent review data is thin: Firmy.cz shows 3.3 out of 5 from 57 ratings, and we found no regulatory enforcement naming the company.

Online rate
Easy 1%; Profi 0.67% + CZK 1 (EU consumer)
Payout
Each working day, usually next day
Expert grade BRead review →
Browse all 272 reviews →

For merchants

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The library

Latest from our blog

Expert insights and industry analysis.

View all articles
Almost every Romanian business must now take cards. Card readers charge from 0.6% to 1.95% on a consumer card
Payment ProcessingBuyer guide

Almost every Romanian business must now take cards. Card readers charge from 0.6% to 1.95% on a consumer card

Since 1 January 2026 almost every business on Romania's trade register has to accept cards or another modern payment method, whatever its turnover. Here is what SumUp, myPOS, Viva.com, Revolut, Stripe and the banks charge, what RoPay costs, and the rules on surcharges and cash.

October 29, 2026•Payment Review Editorial Team
Hungary's smallest shops paid 3.7% to take cards in 2025. Card readers list 1.4% to 1.95%
Payment ProcessingBuyer guide

Hungary's smallest shops paid 3.7% to take cards in 2025. Card readers list 1.4% to 1.95%

Hungary's central bank says its smallest card-accepting merchants paid 3.7% of their card sales in 2025, more than twice its target. Here is what SumUp, myPOS, Viva.com, Stripe, Teya and the banks charge, what qvik costs, and the rules on electronic payment and surcharges.

October 29, 2026•Payment Review Editorial Team
Hong Kong caps no card fee. Published online card rates run 2.9% to 3.9%; receiving FPS can cost nothing
Payment ProcessingBuyer guide

Hong Kong caps no card fee. Published online card rates run 2.9% to 3.9%; receiving FPS can cost nothing

What a Hong Kong business pays to take cards, FPS, Octopus and QR wallets in 2026, read from the providers' own Hong Kong price lists: Stripe, Airwallex, PayPal, Yedpay, Shopline Payments, Octopus and PayMe, plus why no regulator sets the price and what the rules say about surcharges and cash.

October 28, 2026•Payment Review Editorial Team
View all articles

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