Payments13 min readUpdated October 14, 2026

What Is a Payment Service Provider (PSP), and How Do You Choose One?

PSP meaning, how a payment service provider differs from an acquirer, gateway, payfac or merchant of record, what EU law says, and how to choose one.

Nick Bonnassies, CMO at Tagada · checked against 10 sources

Article summary

TL;DR

A payment service provider (PSP) is the company that lets your business accept card, wallet and bank payments through one contract and one integration. It connects your checkout to acquirers and card networks, moves the money to your bank account, and usually adds fraud tools and reporting. Stripe, Adyen and PayPal are common examples.

PSP is a commercial label: one contract that bundles a gateway, processing and access to an acquirer. In EU law it is also a licensed status under PSD2.
Most online PSPs sign you as a sub-merchant on a shared account (the payment facilitator model). Visa makes the facilitator liable for its sub-merchants' disputes.
A PSP processes the payment; a merchant of record is the legal seller. With most PSPs, the merchant of record is still you.
Choose on risk appetite first: a PSP that doesn't accept your category or MCC will close the account, whatever its price.
Payout timing and reserves depend on your risk level. Read them before you go live, and keep a second PSP ready if one closure would stop your sales.

Want to go further? Ask

On this page

A payment service provider, or PSP, is the company that lets your store take a card, a wallet or a bank payment and turns it into money in your bank account. It's also the word vendors stretch the most: gateways, processors, payment facilitators and merchants of record all call themselves PSPs. This guide gives the plain meaning, the legal meaning in Europe, and what to check before you sign with one.

What is a payment service provider (PSP)?

A payment service provider is a company that lets businesses accept electronic payments through one contract and one integration. Behind your checkout, it connects to the acquirer that holds the card relationship, to the card networks, and to the other payment methods you offer, then pays the money out to you minus its fees. Stripe, Adyen and PayPal are common examples.

"Online payment provider" and "payment solution provider" usually mean the same thing: one company that replaces a separate gateway, processor and bank contract. The term covers different business models, though, and the differences matter when something goes wrong.

Fig. 1Where a PSP sits in a card payment

approved declined or closed routing step

Your checkoutCustomer pays $59
sends toPSPGateway, processing, risk checks
submits toAcquirerHolds the merchant account
routes toCard networkVisa, Mastercard rules
asksIssuerCustomer's bank approves or declinesApproved

You see one company. Four more sit behind it.

Simplified path of a card payment. Some PSPs are also the acquirer.

What a PSP does for a merchant

Providers package it differently, but most online PSPs cover the same jobs.4

Collect
A hosted page, an embedded form or an API that takes the card or wallet details, so card numbers don't touch your servers.
Process
Sends the authorization to the network and the issuer, returns approved or declined, then handles capture and refunds.
Give access to acquiring
Either through its own acquiring licence or through partner banks, under its account or one opened for you.
Add payment methods
Cards, Apple Pay and Google Pay, bank debits and local payment methods, each switched on in the dashboard.
Screen for fraud
Rules, risk scores and 3D Secure. Disputes come back through the PSP too.
Pay out and report
Settles funds to your bank on a schedule, minus fees, refunds, disputes and any reserve.

What a PSP doesn't do is decide whether the customer's bank approves the card. The issuer does. A PSP can lose payments (an outage, a weak acquirer for a country, an overly strict fraud rule), but it can't approve a card the issuer refuses. To tell the two apart, see payment acceptance rate.

How a payment moves through a PSP

Checkout. The customer enters a card or picks a wallet in the PSP's form. You get a token back, not the card number.
Authorization. The PSP sends the request through the acquirer and the card network to the issuer, with 3D Secure if the issuer or the regulation asks for it.
Answer. The issuer approves or declines in a few seconds. On approval, the funds are held on the customer's card.
Capture. You confirm the charge, at once or later, for example when you ship. See pre-authorization holds.
Settlement. The acquirer collects the funds through the network and credits the PSP.
Payout. The PSP pays you on its schedule, after fees, refunds, disputes and any reserve.

Authorization and payout are days apart. Most cash-flow surprises happen in between.

The gap between step 3 and step 6 is set by the PSP. Stripe, for example, makes US card payments available 2 business days after the payment, and most European ones 7 calendar days for the first payout, then 3 business days. It adds that risk criteria can keep an account on the slower timing.6 Your merchant statement shows what was deducted on the way.

PSP vs acquirer vs gateway vs processor vs payment facilitator vs merchant of record

These roles get mixed up because one company often plays several of them. Here is what each one is, using the card networks' own definitions where they exist.

Role	What it does	Who it contracts with	Example of the role
Acquirer	Signs merchants or payment facilitators and enters their transactions into the card network. Visa: "A Member that signs a Merchant or Payment Facilitator"2	The merchant or the payfac	A bank or licensed institution holding your merchant account
Payment gateway	Carries payment data from your checkout to a processor and back	The merchant, alongside a merchant account	The pipe, no money handled
Payment processor	Runs the authorization, clearing and settlement messages for an acquirer	Usually the acquirer, sometimes the merchant	Back-office processing
Payment facilitator	Contracts with an acquirer and signs sub-merchants under its own account	The acquirer, then each sub-merchant	The model behind most "sign up in minutes" PSPs
Payment service provider	Sells you payment acceptance as one product, bundling some or all of the above	You	Stripe, Adyen, PayPal
Merchant of record	Is the legal seller: appears to the buyer, carries tax, refunds and disputes	The customer	A reseller of your digital products

Visa's rules define the payment facilitator precisely:

Payment Facilitator: An entity that contracts with an Acquirer to deposit Transactions, receive settlement from, or contract with an Acquirer on behalf of a Sponsored Merchant.

Visa Core Rules and Visa Product and Service Rules, April 18, 2026, Glossary, p. 883

The merchant of record line is the one that trips people up. A PSP processes payments for a seller; it doesn't become the seller. Stripe's own documentation draws the line: on its Managed Payments product, the merchant of record is Stripe, while on its other products it is "your business".5 Managed Payments is for digital products such as SaaS and downloads, so a brand selling physical goods through a PSP stays the merchant of record.

Verdict

If you sign one contract and get paid by one company, you have a PSP. The questions that matter are what sits behind it: whose merchant account, which acquirer, and who is the legal seller.

For the narrower comparison of the first two roles, see payment gateway vs payment processor. For the identifier attached to your account, see what a merchant ID is.

What "payment service provider" means in EU law (PSD2)

In Europe, "payment service provider" isn't only a sales term. The second Payment Services Directive (Directive 2015/2366, known as PSD2) defines it as one of a closed list of regulated bodies, and lists the payment services that need a licence.1

(11) 'payment service provider' means a body referred to in Article 1(1) or a natural or legal person benefiting from an exemption pursuant to Article 32 or 33. (44) 'acquiring of payment transactions' means a payment service provided by a payment service provider contracting with a payee to accept and process payment transactions, which results in a transfer of funds to the payee.

Directive (EU) 2015/2366 (PSD2), Article 4, points (11) and (44)

Article 1(1) lists who those bodies are, and Annex I lists the services that need a licence.1

Under PSD2	Who or what	What it means for a merchant
Payment service providers (art. 1(1))	Credit institutions (banks), electronic money institutions, payment institutions, post office giro institutions, central banks and public authorities when not acting as such	An EU PSP that holds your funds should be one of these, or work under one
Payment institution (art. 4(4))	A company authorized under article 11 to provide payment services across the EU	The licence most fintech PSPs hold
Acquiring (Annex I, point 5)	"Issuing of payment instruments and/or acquiring of payment transactions"	Accepting card payments for merchants is a licensed service
Technical service providers (art. 3(j))	Services that support payments "without them entering at any time into possession of the funds"	A gateway that never holds your money falls outside PSD2

Two practical checks follow. First, PSD2 requires the European Banking Authority to keep a free, public central register of payment institutions (article 15), fed by each national regulator, so you can look up the entity named on your contract.1 Second, check which entity actually holds your funds: a gateway or a reseller may sit in front of a licensed acquirer, and your contract should name it.

PSD2 is being replaced

On November 27, 2025, the Council of the EU and the European Parliament announced a provisional agreement on a new Payment Services Regulation and changes to PSD2. Among the measures: card payment providers must state the fees they charge merchants, and merchants must make sure their trading name matches what appears on customers' bank statements.10 Until the new texts apply, PSD2's definitions are the law.

Outside the EU the word has no single legal meaning. In the US, the card networks' rules, through your acquirer, are what define a payment facilitator and its duties; Visa requires the acquirer to register each facilitator with Visa before it submits transactions.2

Aggregated vs dedicated merchant accounts

This is the difference that decides how fast you can start and how easily you can be stopped. Stripe's own explainer puts it plainly: PSPs typically work on aggregated accounts, where many businesses share one account for processing, while merchant account providers give each business a dedicated account after a more detailed review.4

Fig. 2Two ways a PSP can sign you

Aggregated account (payment facilitator)

Your storeSponsored merchant
signs you underPSP's master accountOne merchant account, many sub-merchants
sponsored byAcquirerContracts with the PSP

Fast sign-up, the PSP carries your risk and controls the account

Dedicated merchant account

Your storeMerchant
opensYour merchant accountYour own MID at the acquirer
held atAcquirerContracts with you directly

Slower underwriting, your own MID and terms

Same checkout, very different contract behind it.

Simplified. Many PSPs offer both, depending on your volume and risk.

Visa's rules explain why aggregated accounts are quick to open and quick to close. The facilitator, not you, answers to the acquirer:

The facilitator is liable for you. Its contract with the acquirer must state that it "is liable for all acts, omissions, Cardholder disputes, and other Cardholder customer service-related issues" caused by its sponsored merchants, and is financially liable for each transaction.2
The acquirer can cut you off directly. It keeps the right to "immediately terminate a Sponsored Merchant" for good cause or fraudulent activity.2
Your MCC is still set per merchant. The acquirer must make sure the facilitator "uses the appropriate MCC for each Sponsored Merchant".2 On Stripe, that is one MCC per account.9
Above USD 1 million a year, Visa wants a direct contract. An acquirer working with a facilitator must sign a direct merchant agreement with a sponsored merchant above USD 1 million in annual transaction volume, before processing for a new merchant or within 2 years for an existing one, with exceptions (a 2-year relationship with regular reporting, or certain MCCs).2

In practice: an aggregated account is the right start for most new stores. Once your volume grows, or your category is one acquirers review closely, a dedicated account gives you your own terms, your own merchant ID and a direct relationship with the bank that can close it. More on the account itself in the glossary entry for merchant account.

How to choose a payment service provider

Most PSP comparisons start with price. Start with whether the PSP will keep you, then compare price. A cheap PSP that closes your account after three months is the most expensive one.

1. Risk appetite and MCC acceptance

Every PSP publishes what it won't take. Stripe, for example, splits its list into prohibited businesses, which can't use Stripe at all, and restricted businesses, which need extra review.8 The card networks shape those lists: Visa's merchant data standards require a high-risk activity to carry its own MCC, separate from the merchant's other activities.3

Your category is on the prohibited listThe account will be closed when it's found, even if sign-up workedDon't sign. Look for a PSP or acquirer that lists your category
Your category is on the restricted listApproval depends on an extra reviewApply with your website, refund policy and processing history ready
They ask for processing statements and dispute historyReal underwriting, often toward a dedicated accountSend them. It usually means more stable terms later
They accept anything in minutes and ask nothingReview happens after you start processingExpect a review, a reserve or a closure once volume grows

Find the MCC your business would get before you apply, and check whether it is one Visa treats as high-risk: see high-risk MCC codes and how to find your MCC on Stripe, Adyen and Shopify.

2. Payment methods and markets

List the methods your customers actually use, by country: cards, Apple Pay and Google Pay, bank debits, buy now pay later, local methods. Then check three things for each one: is it native or through a partner, does it work for subscriptions, and is there local acquiring in the countries you sell to.

3. Pricing model

PSPs charge either one blended rate per transaction or interchange plus a markup, where the issuer's interchange fee, the network's scheme fees and the PSP's margin are shown apart. Then come the extras: dispute fees, currency conversion, instant payouts, monthly or minimum fees. The full breakdown, with each provider's published rates, is in what a transaction fee is.

4. Payouts and reserves

Ask for the payout schedule in writing, for the first payout and after. Stripe states that it "typically schedules your initial payout to complete within 7–14 days, depending on your industry, country of operation, and risk level".7 It can also create a reserve balance "to ensure that your Stripe account can cover any expected incoming refunds or disputes", which you can't pay out until the hold period ends.6

Fig. 3What to get in writing before going live

ApplicationCategory, MCC and documents accepted
First payoutInitial delay, often longer than the default
Default scheduleWhen it applies, and what can delay it
ReservePercentage, hold period, release rule
Exit termsNotice, funds held after closure, card export

Every line here changes your cash flow.

How reserves are set, and how to plan for them, is covered in payment risk management.

5. Integration and portability

Check how the PSP fits your stack: hosted checkout or API, subscriptions, webhooks, and plugins for your platform. Then ask the question few merchants ask until it's too late: if we leave, can we take our customers' saved cards to another PCI DSS compliant provider, and on what terms? Without that, every subscription has to be collected again.

6. One PSP or several

A single PSP is simpler and fine for many stores. It becomes a risk when one account review, reserve or closure would stop all your sales and renewals at once. Running two PSPs, or one checkout routing across several, is covered below.

Question to ask a PSP	Why it matters
Is my category allowed, restricted or prohibited, and which MCC will I get?	A category found after sign-up means a closure
Will I be on your aggregated account or a dedicated merchant account?	Decides who controls the account and how it can be closed
Which acquirer processes my payments, and in which countries?	Local acquiring and the licence behind the PSP
What is the first payout delay, the default schedule and the reserve policy?	Your cash flow for the first months
What do you charge beyond the transaction fee?	Disputes, currency conversion and minimums add up
Can I export saved cards to another PCI DSS compliant provider?	Your exit route, and your subscriptions' survival

High-risk PSPs: what changes

A "high-risk PSP" is a PSP, or an acquirer behind it, that accepts categories mainstream providers prohibit or restrict. The payment flow is the same. What changes is the contract around it: a longer application, closer review of your website and marketing, a reserve, and closer monitoring of disputes.

PSPs also watch for merchants whose business changes after sign-up. Visa makes the MCC describe the merchant's main activity, measured on annual revenue, and can require a correction; it also recommends that acquirers review assigned MCCs regularly.3 Stripe says it may change your MCC after a review.9 In practice, a store that adds a product line acquirers treat as high-risk, without telling its PSP, is the typical case for a sudden review.

Practical rule

Tell your PSP before you add a product category, not after. A category declared up front is an underwriting question. A category discovered in a review is a breach of contract.

Visa's facilitator rules also say a facilitator must not sign a merchant whose contract was terminated at the direction of Visa or a government agency.2 A clean record is worth more than any routing setup.

When one PSP isn't enough: multi-PSP setups

A second PSP is insurance and a performance lever. If one account is reviewed or one acquirer approves poorly in a market, payments can go to the other. The catch is that each PSP underwrites you on its own, charges its own fees and handles its own disputes.

A second PSP pays off when

One account review or closure would stop most of your sales
You sell in several countries and want local acquiring in each
Subscriptions are a large share of revenue
You can measure approval rates per PSP on comparable traffic

It's probably too early when

You sell in one country, with one PSP that approves well
Nobody will own routing rules and watch the numbers
Your losses come from fraud or disputes, not from the PSP
Your saved cards can't be used on the second PSP

The last point decides whether a second PSP is real. If saved cards live in one PSP's vault, moving customers means asking that PSP for an export. A payment orchestration layer keeps cards in a vault usable on several PSPs and routes each payment between them. How routing rules and retries work, within the card networks' limits, is in dynamic payment routing.

Where Tagada fits

How Tagada helps

TagadaPay and routing across PSPs

Tagada is a commerce platform with its own processor, TagadaPay. It routes payments across TagadaPay and processors such as Stripe, NMI and Airwallex, with one logic, and cascades to another processor when one is down or times out. Its card vault lets you switch processors without re-onboarding customers, so running subscriptions keep charging. 3D Secure 2 is native, with device intelligence and a rules engine. Each TagadaPay file is still underwritten, with enhanced review on regulated verticals. Pricing is on the pricing page. Tagada follows Visa and Mastercard rules and the laws that apply to payments.

Apply for processing

Whichever PSP you choose, write down three things before your first sale: your MCC, your payout and reserve terms, and how you would move your saved cards if the account closed tomorrow.

Updated on October 14, 2026

Nick Bonnassies

CMO at Tagada

CMO at Tagada. Before Tagada, Nick built direct-to-consumer brands that generated over $115M in sales, raised over $25M in crowdfunding and sold two of them. He also works as a fractional CMO on marketing operations and AI systems.

Frequently asked questions

What does PSP mean in business?

In business and payments, PSP stands for payment service provider: the company that lets a business accept electronic payments such as cards, wallets and bank transfers, and pays the money out to its bank account. Stripe, Adyen and PayPal are examples. Outside payments the acronym has other meanings, but on a merchant contract or invoice it almost always means this.

What is the difference between a PSP and a merchant account?

A merchant account is the contract with an acquirer that lets a business take card payments, identified by a merchant ID. A PSP is the company that sells you payment acceptance. Many PSPs sign you as a sub-merchant under their own merchant account; others open a dedicated merchant account for you with their acquiring bank. Ask which one you get.

Is a PSP the same as a payment gateway?

No. A gateway only carries payment data from your checkout to a processor and brings the answer back. A PSP usually includes a gateway, plus processing, access to an acquirer, payouts, fraud tools and reporting. You can buy a gateway alone and pair it with your own merchant account, or buy a PSP that bundles everything.

What is a high-risk PSP?

It's a payment service provider, or an acquirer behind it, that accepts business categories mainstream PSPs avoid or restrict, such as those Visa lists as high-risk MCCs. Expect a fuller application, a reserve, slower payouts at first and closer monitoring of disputes. No PSP can promise approval: each one underwrites your business on its own.

What is the difference between a merchant of record and a payment service provider?

The merchant of record is the legal seller: it appears to the customer as the seller and carries tax, refunds and disputes for the sale. A PSP processes the payment for a seller. With Stripe's standard products your business is the merchant of record; with Stripe Managed Payments, Stripe is. Most PSPs leave that role with you.

How do payment service providers make money?

Mostly from a fee on each transaction. That fee covers the interchange paid to the card issuer, the card network's scheme fees and the PSP's own margin. Some PSPs show the three parts separately (interchange plus), others charge one blended rate. Extra fees for disputes, currency conversion, instant payouts or monthly minimums are common, so read the full price list.