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275 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
275

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

  • Network InternationalNetwork International
  • Coinbase BusinessCoinbase Business
  • AsaasAsaas
  • PayseraPaysera
  • HyperPayHyperPay
  • CulqiCulqi
  • ZiinaZiina
  • StancerStancer
  • PaymentwallPaymentwall
  • NOWPaymentsNOWPayments
  • EasebuzzEasebuzz
  • ComgateComgate

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
Wompi vs Mercado Pago in Colombia
WompiMercado Pago
Cards, PSE, cash and wallet payments2.65% + COP 700 + IVA✓3.29% + COP 800 + IVA (instant); 2.79% + COP 800 + IVA (14 days)
Monthly or setup feeNoneNone
Tax withholdings on card salesRetefuente, ReteICA and ReteIVA may applyRetefuente, ReteIVA and ReteICA may apply
Full comparison →
  • Pine Labs vs Razorpay (India) →

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
  • New York DFS consent order with Coinbase, Inc.

    Coinbase Business · 2023-01-04

    Settled
  • 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
  • Doesn't publish its pricing

    Network International

    Not disclosed
  • Doesn't publish its pricing

    Coinbase Business

    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 54Payment Facilitators 91ISOs 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 275A-grade 11B-grade 230C-grade 34

Network International

Platform / Acquirer
B-

Network International is a Dubai-based payments company. It acquires card payments for merchants in the UAE through its own N-Genius POS terminals, SoftPOS apps and the N-Genius Online gateway, and it processes cards for banks across the Middle East and Africa. The company was set up in 1994 as a subsidiary of the bank group now called Emirates NBD. It listed in London in 2019, was taken private by a Brookfield-led group on 17 September 2024, and merged with the UAE payments company Magnati on 1 October 2025. Network said then that the two brands would co-exist for the time being, and Network International is still sold under its own name as of October 2026. Merchant pricing is not published: you get a quote, and the merchant agreement adds fees on top of the per-transaction rate, such as terminal rent, a minimum-volume fee for months with card sales of AED 20,000 or less and a fee for daily statements. All fees are charged plus 5% VAT. The UAE merchant agreement (February 2025 version) is strict. It runs for 36 months, renews automatically for another 36 unless you give three months' notice, makes Network your exclusive provider, and charges a business that leaves early at least AED 25,000. Network can also hold settlement funds for up to 540 days after delivery or termination. The product range is broad and support runs 24/7 in the UAE. However, all 22 Trustpilot reviews are one-star, and they mostly describe hidden charges and held funds.

Pricing clarity
2.0
Feature set
4.5
Ease of use
3.5
Expert grade B-Read review →

Coinbase Business

Payfac / Aggregator
B-

Coinbase Business is the crypto business account from Coinbase, Inc., and since 31 March 2026 it is how a merchant accepts crypto through Coinbase. Coinbase Commerce, the self-custodial checkout Coinbase ran from 2018, was folded into it and its portal closed on that date. Coinbase Business takes stablecoins only: customers pay in USDC on Base, Ethereum, Polygon, Optimism, Arbitrum and (per the product page) Avalanche, or in USDT on Ethereum, and the money lands as USDC in a custodial account that Coinbase holds for you, usually within seconds. There are payment links, invoices, a Checkouts API with refunds, and payouts. Stablecoin payments are final, so there are no chargebacks. You can hold USDC and earn a variable reward, listed at 3.60% APY in October 2026, or convert it to dollars and withdraw to your bank. As of October 2026, only businesses with a legal entity in the US or Singapore can open an account. The biggest weakness is price. Coinbase announced a 1% fee on payment links in October 2025 and keeps 1% for merchants who moved over from Commerce, but its public pages now say only that a fee applies to each completed payment and that you must sign in to see it. Converting USDC to dollars automatically also costs an unpublished fee. Coinbase can close an account at its sole discretion without giving a reason.

Payout
Seconds, as USDC in your Coinbase account
Expert grade B-Read review →

Asaas

Payfac / Aggregator
B

Asaas is a Brazilian billing and payments platform for small businesses and self-employed sellers, based in Joinville, Santa Catarina. It lets a business issue charges by Pix, boleto and card, send payment links, run subscriptions and instalment plans, chase late payers and issue service invoices from one free digital account. There is no monthly or setup fee. As of October 2026 its standard prices are R$1.99 per Pix or boleto payment received and R$0.49 + 2.99% for a single-payment credit card charge, rising to R$0.49 + 4.29% for 13 to 21 instalments. New accounts get lower prices for their first three months. The catch is timing: card money arrives up to 32 days after the sale, and each instalment arrives 32 days apart, unless you pay to anticipate it. Card anticipation costs 1.25% a month on single payments and 1.70% a month on instalments, subject to credit approval. Asaas has been a Banco Central do Brasil-authorised payment institution since June 2021, and a sister company in its group holds a finance company (SCFI) licence. It is not itself a card acquirer: card payments run through acquirers behind it, with Asaas holding the merchant relationship. It is founder-led and backed by BOND, SoftBank and others. Its Reclame Aqui rating is Ótima (great), but recent complaints centre on blocked accounts and withheld balances.

Online rate
Credit R$0.49 + 2.99%; Pix R$1.99
Payout
Pix instant; boleto D+1; credit D+32
Expert grade BRead review →

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 →
Browse all 275 reviews →

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The library

Latest from our blog

Expert insights and industry analysis.

View all articles
Turkey caps bank card fees at 3.56% on credit and 1.04% on debit. Online gateways list 2.19% to 4.29%
Payment ProcessingBuyer guide

Turkey caps bank card fees at 3.56% on credit and 1.04% on debit. Online gateways list 2.19% to 4.29%

What a business in Turkey pays to take cards in 2026: the central bank's caps on what banks may charge, what iyzico, PayTR, Papara and Paycell publish, what instalments cost, why you cannot add a card surcharge, and which foreign providers can take Turkish cards.

October 30, 2026•Payment Review Editorial Team
Peru lets shops add a card surcharge if they post it. Most card readers list 3.39% to 3.45%, usually plus IGV
Payment ProcessingBuyer guide

Peru lets shops add a card surcharge if they post it. Most card readers list 3.39% to 3.45%, usually plus IGV

What a business in Peru pays to take cards, Yape and Plin in 2026, from the providers' own Peruvian pages: Culqi, Izipay, Niubiz, BBVA, SumUp, Yape, Mercado Pago and PayPal, plus the central bank's published averages, the surcharge rule and the duty to take cash.

October 30, 2026•Payment Review Editorial Team
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
View all articles

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