Pay platforms

Pay platforms — full stack, one contract, every rail.

topropay's pay platform covers digital, mobile, ACH and e-commerce rails through a single integration. Methods, orchestration, reporting and operations — every layer of a full-stack payment platform behind one unified API, with dedicated tiers for small businesses and nonprofits.

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Methods
CardWalletACHSEPABNPLCrypto*
Orchestration
routing cascade vault retries
Reporting
€189.00 EUR · card · acq_eu_03
Operations
portal · webhooks · audit log
Four layers, one contract.
Full stack
methods, routing, reporting on one platform
Mobile +
web · in-app · in-store
ACH ready
alongside cards and bank rails
Nonprofit
dedicated routing and pricing tiers

Key benefits

Four layers of a full stack payment platform — what each one buys you

Four outcomes that show up consistently once methods, orchestration, reporting and operations live in the same platform instead of stitched-together vendors.

  1. 01

    Methods layer — every digital, mobile, bank and BNPL rail

    Cards, wallets (Apple Pay / Google Pay), bank rails (SEPA, ACH, Bacs, Open Banking, iDEAL, BLIK, PIX), BNPL and (via partner gateways) crypto. The same hosted checkout re-orders the method list per shopper's market — the merchant doesn't configure per-method plug-ins.

  2. 02

    Orchestration layer — routing, cascade, vault, retries

    Every authorisation runs through the routing engine in under 200ms. Soft declines cascade across the connected acquirer panel inside the same request. The PCI DSS Level 1 vault keeps PAN data out of merchant origin; recurring runs on vault tokens.

  3. 03

    Reporting layer — one ledger across every rail

    Settlements, fees, refunds, chargebacks and dispute outcomes from every method roll into one normalised ledger. Daily, signed exports drop straight into ERP, warehouse or accounting tools — finance closes the month from one feed.

  4. 04

    Operations layer — one dashboard, one webhook stream

    Operator portal with auth, refund, dispute and chargeback queues across every connected provider. Signed, replay-safe webhook stream into the merchant's SIEM, warehouse or in-house tooling. One audit log of every operator action.

Platform categories

Where the platform fits — six pay-platform categories under one roof

Six framings of the same underlying platform — digital, mobile, e-commerce, bill, ACH and electronic. Same engine; different framing per buyer.

  • Digital payment platforms

    Digital payment platforms cover the full electronic surface — cards, wallets, bank rails, BNPL and crypto — under one API. topropay's checkout surfaces them in a single hosted page or embedded SDK.

    • Hundreds of methods reachable
    • Per-market ordering
    • Unified API and webhooks

  • Mobile payment platforms

    Mobile payment platforms surface native iOS and Android SDKs that share the same authorisation engine as web. Apple Pay, Google Pay, tokenised pay sheets and in-app crypto wallet flows all run server-to-server through one API.

    • iOS and Android SDKs
    • Apple Pay / Google Pay native
    • Same auth engine as web

  • E-commerce payment platforms

    Ecommerce payment platforms drive the online retail checkout: hosted page, embedded fields or custom SDK; method ordering per market; vault tokens for one-click returning shoppers; smart routing on every authorisation.

    • Drop-in or embedded
    • Vault-token returning shoppers
    • Routing across acquirers

  • Bill payment platforms

    Bill payment platforms support utility-style flows: scheduled debits, mandate management (SEPA Direct Debit, NACHA ACH), grace and retry windows, dunning surfaces and operator-side controls — same API as one-off retail.

    • Mandate evidence per rail
    • R-code / NSF-aware retries
    • Dunning policy per plan

  • ACH payment platforms

    ACH payment platforms cover one-off and recurring debits with NACHA mandate handling, R-code-aware retries and operator-side controls. Same webhook event model as card; same reconciliation feed.

    • NACHA mandate handling
    • R-code-aware retries
    • ACH debits and credits

  • Electronic payment platforms

    Electronic payment platforms is the umbrella term for the lot — every rail that authorises an online or in-person electronic transaction. topropay's platform sits across them all behind one integration.

    • One contract
    • One unified API
    • One ledger across rails

How it works

From method selection to a single reconciliation export — four stages

Four stages between picking rails and a normalised ledger row in tomorrow's finance export. Most merchants are live in days for the hosted page, weeks for an embedded build.

  1. 01

    Pick the rails relevant to your buyer base

    Discovery: where buyers come from, what they pay with, where conversion sags. The output is a method matrix per market and a routing policy per region — turned on from the dashboard.

  2. 02

    Integrate the unified API or hosted checkout

    Drop in the hosted payment page for a fast launch, or call the unified REST API from your stack. SDKs cover web, mobile and server. Sandbox parity for testing every method.

  3. 03

    Run live traffic across the platform

    Every authorisation flows through the routing engine; soft declines cascade; captures, refunds and recurring run on vault tokens. Mobile and web authorisations share one ledger.

  4. 04

    Operate from one dashboard, reconcile from one export

    Auth, refund, dispute and chargeback queues live in one operator portal. Daily signed exports drop into ERP or warehouse. No CSV-per-provider merge.

Main use cases

Where pay platforms across DTC, subscriptions and charity flows earn their keep

Six merchant shapes that share the same orchestration but stress it differently — from DTC retail to nonprofits.

  • DTC

    DTC brands and online retailers

    An e-commerce payment platform setup with smart routing on every card authorisation and local APMs (PIX, BLIK, iDEAL, OXXO, PayID) surfaced per market — measurable conversion lift over a card-only checkout.

  • Subs

    Subscriptions, SaaS and memberships

    Vault-token recurring billing, network tokens, account updaters and per-segment retry policies. Renewal recovery becomes a configuration choice instead of a per-provider retry script.

  • B2B

    B2B invoicing and bill pay

    Bill payment platforms support: card, ACH, SEPA Direct Debit and Open Banking for invoice settlement and B2B recurring. Mandate evidence captured at sign-up; dunning surfaces wired into the merchant's CRM.

  • Marketplaces

    Marketplaces and multi-seller platforms

    Split payments, per-seller payouts and per-tenant routing policies. One reconciliation feed tags every row with the seller / tenant identifier.

  • Nonprofit

    Nonprofits and charities

    Charity payment processing flows with gift-aid metadata, donor-portal recurring management and lower per-authorisation pricing tiers for registered nonprofits. Charity payment solutions are first-class, not bolted on.

  • Mobile

    Mobile-first and in-app

    Mobile payment platforms surface inside the merchant's native iOS / Android app. Tokenised pay sheets, Apple Pay and Google Pay flow through the same authorisation engine and land in the same ledger as web.

Small business & charity

Pay platforms for small businesses and payment platforms for nonprofit operators

Two underserved categories the platform treats as first-class — sub-100M-EUR merchants and registered nonprofits. Same integration, dedicated pricing tiers, no sales-cycle drag.

  • 01

    Pay platforms for businesses without enterprise budgets

    No platform retainer, no minimum monthly, no per-environment fee — pay per authorisation on top of underlying acquirer / rail economics. The platform fits sub-100M-EUR merchants without sales-cycle drag.

  • 02

    Online payment platforms for small businesses

    Drop-in hosted checkout in days; embedded fields in weeks; same back-end either way. Method availability per market dashboard-configurable. No long-form questionnaire up front.

  • 03

    Payment platforms for small businesses with multi-method needs

    Cards, wallets, ACH, SEPA, BLIK, PIX and BNPL behind one integration. Small businesses that sell internationally don't need to integrate against multiple providers — one contract covers it.

  • 04

    Charity payment processing tier

    Discounted per-authorisation pricing for registered nonprofits; gift-aid metadata preserved end-to-end; donor-portal recurring management surface wired out of the box. Payment platforms for nonprofit usually pay platform retainers — we don't charge one.

Platform features

Capabilities behind secure payment platforms at any volume

What the platform ships once and reuses across every method, every rail and every merchant tier.

  • Unified payments API

    JSON-over-HTTPS REST; SDKs for web, mobile and server; idempotency keys, OpenAPI specs.

  • Hosted & embedded checkout

    Hosted page (redirect / iframe), hosted fields, low-level SDK — three surfaces, one back-end.

  • Smart routing engine

    Per-transaction scoring on BIN, scheme, currency, country pair and risk.

  • Cascade & retry

    Soft declines cascade to the next ranked acquirer inside the same authorisation.

  • PCI DSS Level 1 vault

    Card data captures into the vault; refunds, retries and recurring run on tokens.

  • Network tokens & updaters

    Network tokens by default; scheme updaters keep saved cards alive across re-issuance.

  • Mobile SDKs

    iOS and Android SDKs share the same authorisation engine, vault and webhook model as web.

  • ACH / SEPA / Open Banking

    Bank-rail recurring with mandate handling, R-code retries and webhook event parity with card.

  • 3DS2 & SCA

    Selective challenges per transaction; PSD2-compliant in Europe without breaking conversion.

  • Nonprofit tier

    Lower per-authorisation fees, gift-aid metadata and donor-portal flows for registered nonprofits.

  • Operator portal

    One dashboard for auth, refund, dispute and chargeback queues across every connected provider.

  • Unified reconciliation

    Settlements, fees, refunds and chargebacks across every rail normalised into one ledger.

Trust & compliance

Compliance posture across every layer of the platform

One audited environment underpins every method, rail and merchant tier. Merchants inherit posture rather than carrying it themselves.

PCI DSS Level 1
Annual on-site assessment plus quarterly ASV scans; sub-merchants inherit the posture for every rail.
SCA & PSD2
Selective 3DS2 on the authorisation path keeps approvals high in Europe without skipping compliance bars.
Mandate posture
NACHA authorisations for ACH, SEPA mandate IDs for SEPA Direct Debit, captured and retained per scheme rules.
Sanctions & AML alignment
Sanctions screening on onboarding; AML monitoring tuned per merchant vertical and volume.
Charity governance
Registered-nonprofit verification on the platform side; donor-record retention aligned with EU and UK charity-regulator requirements where applicable.
Licensed verticals only
Licensed gaming, regulated financial services and other compliance-bound verticals supported only where current operating licences exist. Grey and black-market verticals are out of scope regardless of integration shape.

Ready to consolidate

One pay platform. Every rail. Every merchant tier.

A 30-minute platform review covers the rails relevant to your buyer base, the routing policies that suit your traffic, and pricing — including the nonprofit and small-business tiers — before any commercial commitment.

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Frequently asked

Buyer questions about pay platforms on topropay

What buyers ask before committing — covering platform shape, mobile vs web, bill-pay specifics, small-business pricing and the nonprofit tier.

  1. 01

    What does topropay mean by pay platforms?

    Pay platforms here is shorthand for the full payment infrastructure a merchant runs: the methods layer (cards, wallets, bank rails, BNPL, crypto), the orchestration layer (routing, cascade, vault, retries), the reporting layer (settlement, fees, disputes) and the operations layer (dashboard, webhooks, audit log). topropay's pay platform covers all four — merchants get one integration, not four.

  2. 02

    Are these full stack payment platforms in the sense people use the term?

    Yes — full stack payment platforms means a single vendor covers everything from method acceptance through to settlement and dispute management. topropay sits between you and the underlying providers (acquirers, PSPs, partner gateways), so you get the full stack through one contract and one API.

  3. 03

    How do digital payment platforms compare to a single payment provider?

    Digital payment platforms in the orchestration model collapse many providers into one API. A single payment provider runs every authorisation through one acquirer's appetite and rate card; the orchestration model picks the best route per transaction across the connected panel. The trade-off is a slightly larger up-front integration; the payoff is multi-percentage-point uplift on approval and lower landed cost over time.

  4. 04

    Do mobile payment platforms on topropay handle native iOS and Android equally?

    Yes — mobile payment platforms surface through native iOS and Android SDKs that share the same authorisation engine as web. Tokenised Apple Pay and Google Pay sheets, in-app card forms and wallet flows all run server-to-server through the same /v1/payments endpoint as the web checkout.

  5. 05

    What's specific about bill payment platforms?

    Bill payment platforms have specific patterns: scheduled debits, mandate management, NSF / R-code retry calendars, dunning policies per plan and customer-portal management. topropay's recurring engine covers these alongside one-off authorisations through the same unified API.

  6. 06

    What do ecommerce payment platforms typically need that this covers?

    Ecommerce payment platforms need a hosted or embedded checkout, multi-method support per market, vault-token returning shoppers, smart routing, refund and partial-capture flows, dispute tooling and a reconciliation feed. topropay ships all of it under one integration.

  7. 07

    Are these considered electronic payment platforms in the regulatory sense?

    Electronic payment platforms is the broad regulatory umbrella — anything that processes electronic payments under the relevant scheme and rail rules. topropay's posture inherits PCI DSS Level 1, PSD2 / SCA where applicable, NACHA / SEPA mandate handling for bank rails, and partner-licensed VASP standing for crypto. Merchants integrate as sub-merchants on the platform's regulatory standing.

  8. 08

    What payment platforms for businesses fit different volume bands?

    Payment platforms for businesses on topropay scale across volume bands: sub-100M-EUR merchants pay per authorisation on top of underlying acquirer economics, with no platform retainer; mid-market and enterprise merchants earn negotiated improvements on the per-authorisation fee at agreed volume thresholds. The integration is the same across bands.

  9. 09

    Are there payment platforms for small businesses without minimum-volume requirements?

    Yes — payment platforms for small businesses on topropay carry no minimum monthly, no per-environment fee and no platform retainer. The same unified API and hosted checkout that enterprise merchants use is available at sub-100M-EUR volume without sales-cycle drag.

  10. 10

    How do online payment platforms for small businesses handle integration friction?

    Online payment platforms for small businesses on topropay favour the hosted checkout for fastest path to live — drop in via redirect or iframe, configure methods from the dashboard, wire one webhook handler. Most teams ship in days rather than weeks; engineering-light merchants don't need to maintain per-provider plug-ins.

  11. 11

    What makes secure payment platforms 'secure' in the platform's terms?

    Secure payment platforms on topropay means PCI DSS Level 1 vault by default, selective 3DS2 / SCA on the authorisation path, signed and replay-safe webhooks, scoped API keys, IP allow-lists, full audit logs and per-environment sandbox keys. Sensitive data captures into the vault before it ever touches merchant origin.

  12. 12

    How are ach payment platforms tuned for utility / bill-pay flows?

    Ach payment platforms on topropay handle NACHA mandate evidence at sign-up, R-code-aware retry calendars (e.g. R01 vs R03 vs R04), descriptor management and operator-side cancel flows. The webhook event model is identical to card, so a merchant's billing system doesn't fork by rail.

  13. 13

    Are charity payment solutions different from regular merchant flows?

    Charity payment solutions on topropay share the same API and orchestration as commercial merchants, with three differences layered on top: gift-aid metadata preservation, lower per-authorisation pricing for registered nonprofits, and a donor-portal recurring management surface that satisfies typical 'one-click cancel' regulatory requirements for charities.

  14. 14

    How does charity payment processing handle gift-aid and tax-receipting?

    Charity payment processing preserves gift-aid metadata end-to-end (eligible donor flag, declaration timestamp, donation amount) and surfaces it in the reconciliation feed so the charity's finance team can claim gift-aid against UK HMRC or equivalent. Tax-receipt generation is on the charity's side; topropay supplies the underlying transaction record.

  15. 15

    Are payment platforms for nonprofit operators commercially viable on the per-authorisation model?

    Payment platforms for nonprofit operators on topropay are designed to be commercially viable at small-charity volume: the nonprofit pricing tier sets a lower per-authorisation fee than commercial, and the absence of a platform retainer means a charity processing a few hundred donations per month doesn't carry fixed-cost overhead. Registered-charity verification is required to unlock the tier.

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