For fintech builders

Fintech payment solutions — programmable, sandbox-first, multi-tenant from day one.

topropay sits behind neobanks, embedded-finance builders, PSP resellers and BaaS platforms. Every flow is a REST endpoint with sandbox parity; per-tenant routing and reconciliation are first-class; the connected provider panel is one API in front of every connected acquirer.

REST + webhooks
programmable from day one
Sandbox
every flow testable end-to-end
Multi-tenant
per-tenant routing & reporting
1 ledger
across the connected panel

Who this is for

Four fintech buyer archetypes the platform fits

The fintech payment platform serves four recurring buyer shapes — neobanks, embedded-finance builders, PSP resellers and BaaS platforms.

Neobanks

Card acceptance for the merchant arm of a neobank: tokenisation, scheme programmes and reconciliation under one ledger so the bank's own treasury reads one feed.

Embedded-finance builders

Embed payments into a vertical SaaS product — agency platforms, marketplaces, ERPs — with the platform's per-tenant routing and per-tenant payout configuration.

PSP resellers

Resell the connected provider panel to a downstream merchant book; the PSP keeps pricing and the relationship, the platform handles the per-merchant message exchange.

BaaS platforms

Pair platform-level BaaS rails with topropay's card-acceptance and pay-link surfaces; programmable through the same unified API.

Key benefits

Why fintech payment processors stop reinventing the orchestration layer

Four properties that show up the moment a fintech stops building its own multi-provider routing and reconciliation in-house.

  1. 01

    Programmable from day one

    Every flow available as a REST endpoint; signed-webhook events for every lifecycle transition; first-class SDKs for web, mobile and server. The integration starts with `POST /v1/authorizations`, not a sales-led discovery call.

  2. 02

    Sandbox-first onboarding

    Sandbox covers card, ACH, SEPA, wallet, BNPL and crypto flows end-to-end with realistic provider responses. Engineers can run the full fintech payment processing path in test before any commercial commitment.

  3. 03

    Per-tenant routing & reporting

    Multi-tenant from the ground up. Each downstream merchant or vertical tenant gets independent routing weights, dashboard views, reconciliation exports and dispute queues; the platform tenant sees the rollup.

  4. 04

    One panel, one ledger

    Card, ACH, SEPA, wallet, BNPL and crypto under the same API; settlements from every connected provider normalise into one reconciliation feed across the panel.

How fintech payment processing plugs in

Five steps from API key to multi-tenant production

What actually happens between a fintech builder issuing their first API key in sandbox and tenant-scoped production traffic flowing through the connected provider panel.

  1. 01

    API key + sandbox

    An API key issued in the dashboard unlocks sandbox immediately. Every endpoint that runs in production runs in sandbox with realistic provider responses.

  2. 02

    Build against unified primitives

    Authorise, capture, refund, recurring, payout, dispute — one shape per primitive regardless of underlying scheme or rail. The merchant doesn't pick an API per provider.

  3. 03

    Define tenants and routing

    Tenants (or downstream merchants) configured in the dashboard or via API; per-tenant routing weights, fraud rules and payout schedules pinned independently.

  4. 04

    Go live behind a routing policy

    Promote to production behind a per-tenant routing policy. Phased cutover (e.g. 1% → 10% → 100%) is supported; rollback is a routing-policy flip rather than a re-integration.

  5. 05

    Reconcile & report

    Settlement files from each connected provider normalise into one ledger; per-tenant exports for finance; signed-webhook stream for the merchant's own data lake.

Main use cases

Where fintech payment processing solutions earn their keep

Six recurring fintech shapes — neobanks, vertical SaaS, PSPs, marketplaces, B2B platforms and BaaS providers.

  • Neo

    Neobank merchant acquiring

    A neobank rolls out card acceptance for its SMB merchant base; per-merchant onboarding inside the bank's existing app, vault and routing on the platform back-end.

  • Vert

    Vertical-SaaS embedded payments

    A field-services or salon-software vendor embeds payments inside its own product, with per-customer tenant configuration and a single reconciliation feed back to the platform.

  • PSP

    PSP resellers expanding coverage

    A regional PSP with strong sales but a single direct acquirer relationship gains the full connected panel underneath, plus per-merchant routing.

  • Mkt

    Marketplace flows with split logic

    A marketplace splits authorisations across sellers, takes its take rate at settlement, and runs Visa Direct payouts to seller cards on the same API.

  • B2B

    B2B platform billing

    A B2B platform takes card on small tickets, ACH on recurring contracts and crypto for cross-border counterparties — all under one API with one ledger.

  • BaaS

    BaaS platforms layering acceptance

    BaaS providers offering deposit accounts and issued cards layer topropay's acceptance + reconciliation as a complementary product their customers can enable.

Platform features

Capabilities behind a fintech payment services provider role

Twelve capabilities the platform exposes that fintechs typically would otherwise assemble piece by piece — vault, routing, tokens, dispute queue, payout primitives.

  • Unified REST API One API surface for card, ACH, SEPA, wallet, BNPL, crypto and recurring; SDKs for web, mobile and server.
  • Sandbox parity Every production endpoint runs in sandbox with realistic provider responses; webhook delivery testable.
  • Per-tenant routing policies Independent routing weights per downstream merchant or vertical tenant; dashboard or API-managed.
  • Network tokens & updaters VTS, MDES network tokens by default; scheme updaters keep saved credentials alive across re-issuance.
  • 3DS2 / SCA orchestration Selective challenges per PSD2 exemption logic; merchant doesn't ship a separate 3DS integration.
  • PCI DSS Level 1 vault Card data captures into the platform vault before any provider sees it; PAN never lands in tenant systems.
  • Signed-webhook event stream Lifecycle events with HMAC signatures and replay-safe IDs; data-lake-ready.
  • Smart routing & cascade Per-transaction scoring on BIN, scheme, currency, country and risk across the connected provider panel.
  • Unified dispute queue One queue across providers and tenants; evidence-pack templates per vertical.
  • Per-tenant reconciliation Settlements, fees, refunds and chargebacks tagged per tenant and per provider in one normalised ledger.
  • Pay-out primitives Visa Direct push-to-card, SEPA Credit Transfer payouts, ACH credits — payout events in the same ledger as inbound acceptance.
  • Operator portal + audit log Dashboard for tenant administrators plus an immutable audit log for every action with actor identity and IP.

Industry relevance

Built for licensed fintechs across EU, UK, APAC and LATAM

topropay's fintech posture targets licensed fintechs and their licensed downstream merchants — neobanks with merchant-acquiring arms, embedded-finance builders in regulated verticals, PSP resellers with the relevant acquiring permissions, BaaS platforms layering acceptance on deposit + card-issuing rails.

  • Neobanks · merchant arm
  • Embedded finance · vertical SaaS
  • PSP resellers
  • BaaS platforms
  • Marketplaces & platforms
  • Licensed gaming · where licensed
  • Adult content · out of scope
  • Unlicensed gambling · out of scope

Trust & compliance

Compliance posture inherited by every fintech tenant

One audited environment for the orchestration layer; scheme programme positions surfaced per connected provider; sub-merchants and tenants inherit the posture.

PCI DSS Level 1
Annual on-site assessment plus quarterly ASV scans; sub-merchants and tenants inherit the posture across every connected provider.
Scheme programmes
Visa VDMP / VAMP / VFMP and Mastercard ECP / EFMP positions surfaced per connected provider; routing can rotate around at-risk lanes.
SCA & PSD2
Selective 3DS2 on the authorisation path keeps approval high in Europe without skipping the SCA bar.
Bank-rail mandate handling
NACHA mandates for ACH, SEPA mandate IDs for SEPA Direct Debit; captured and retained per scheme rules.
Sanctions, AML & FATF Travel Rule
Sanctions screening at onboarding for tenants and merchants; AML monitoring; FATF Travel Rule via partner gateways for crypto flows.
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 tenant structure.

Ready for sandbox

Build your fintech payment stack on programmable orchestration.

A 30-minute builder review covers the API surface, the connected provider panel relevant to your geographies and tenants, per-tenant routing patterns, and sandbox credentials before any commercial commitment.

Frequently asked

Builder questions about fintech payment solutions on topropay

Multi-tenancy, sandbox mechanics, white-label posture, cross-border patterns and the practicalities of running a fintech on a programmable orchestration layer.

  1. 01

    What does fintech processing on topropay actually involve?

    Fintech processing on topropay involves running a fintech's payment flows — inbound card / ACH / SEPA / wallet / BNPL / crypto acceptance, payouts, recurring billing and dispute handling — through the platform's unified API plus PCI Level 1 vault, with per-tenant routing and reconciliation across the connected provider panel.

  2. 02

    How are fintech payment solutions different from a single PSP integration?

    Fintech payment solutions on topropay are different in two main ways: programmability (every flow is a REST endpoint with sandbox parity, no manual provisioning) and multi-tenancy (per-tenant routing weights, dashboards, payout schedules and reconciliation feeds are first-class). A single PSP integration locks the fintech to one acquirer's BIN routing and one settlement feed.

  3. 03

    Does fintech payment processing work for embedded-finance builders?

    Yes. Fintech payment processing on the platform is multi-tenant by design — embedded-finance builders embed payments into their vertical SaaS product and configure per-customer (tenant) routing, payout schedules and reporting through the dashboard or via API.

  4. 04

    Is topropay a fintech payment gateway in the traditional sense?

    topropay is an orchestration layer that fills the fintech payment gateway role — but it doesn't sit on a single acquirer relationship. The connected provider panel includes many acquirers and PSPs; the routing engine picks per-authorisation. The 'gateway' the fintech integrates against is the platform; the providers underneath are interchangeable.

  5. 05

    What fintech payment services are exposed through the API?

    Fintech payment services exposed through the API include card acceptance (Visa, Mastercard, Amex, Discover, JCB, RuPay), bank rails (ACH, SEPA SDD, Bacs, Open Banking, PIX, Interac, PayID), wallets (Apple Pay, Google Pay, Click to Pay, Alipay+, WeChat Pay), BNPL (Klarna, Afterpay, Affirm, Clearpay), crypto (via licensed partner gateways), recurring billing, payouts (Visa Direct, SCT, ACH credit) and dispute handling.

  6. 06

    How does the fintech payment system handle multi-tenancy?

    The fintech payment system handles multi-tenancy via first-class tenant objects — each tenant (or downstream merchant) has its own configuration scope: routing weights, dashboard view, reconciliation export, payout schedule, dispute queue, fraud rules. Tenants nest under the platform-level fintech account.

  7. 07

    Is there a dedicated fintech gateway endpoint?

    The fintech gateway endpoint is the same unified `POST /v1/authorizations` (and the rest of the unified API). Tenant identity, BIN, scheme and currency drive the routing engine underneath; the fintech doesn't pick a different endpoint per tenant or per scheme.

  8. 08

    What does the fintech payment platform offer that a build-it-yourself approach doesn't?

    The fintech payment platform offers the connected provider panel, the PCI L1 vault, the scheme programme posture (VDMP / VAMP / VFMP, ECP / EFMP), the unified dispute queue and the reconciliation normalisation — the heavy lifting a fintech would otherwise need to assemble piece by piece, plus the ongoing scheme-rule updates and provider integrations as the panel evolves.

  9. 09

    Which fintech payment processors sit behind the connected panel?

    Fintech payment processors behind the connected panel are licensed acquirers and PSPs across EU, UK, US, APAC and LATAM. The full list is shared under NDA during onboarding; the panel evolves over time as new partners come online and weights rotate.

  10. 10

    Are there well-known fintech payment processing companies whose role topropay fills?

    Fintech payment processing companies typically combine a payment gateway + acquirer-and-PSP relationships + reporting. topropay fills the gateway + multi-acquirer-orchestration + reconciliation role; the acquirer-and-PSP relationships sit with licensed partners on the connected panel. The merchant gets a similar end-to-end shape with cleaner unbundling.

  11. 11

    What fintech payment methods does the platform support?

    Fintech payment methods supported include cards (Visa, Mastercard, Amex, Discover, JCB, RuPay), wallets (Apple Pay, Google Pay, Click to Pay, Alipay+, WeChat Pay, GrabPay), bank rails (ACH, SEPA SDD, Bacs, Open Banking, iDEAL, Bancontact, PIX, Interac, PayID), BNPL (Klarna, Afterpay, Affirm, Clearpay, Atome) and crypto (stablecoins, majors and L2 networks via licensed partner gateways).

  12. 12

    Can topropay act as a fintech payment services provider behind a brand?

    Yes. The fintech payment services provider role can be fulfilled white-label — the fintech keeps its brand on the dashboard, the hosted checkout and the customer communications; topropay's identity surfaces only on settlement statements and statement descriptors per scheme rules.

  13. 13

    What fintech payment processing solutions exist for cross-border merchants?

    Fintech payment processing solutions for cross-border merchants combine the connected provider panel (with per-region acquirers), multi-currency settlement, scheme-tokenised cards (VTS, MDES) and the unified API across regions. The merchant or fintech doesn't run a separate integration per geography.

  14. 14

    How does sandbox-to-production promotion work?

    Sandbox-to-production promotion is a dashboard step plus a new API key. The same code paths run in both environments; tenant configuration can be exported from sandbox and re-applied to production. Phased traffic ramping (1% → 10% → 100%) is a routing-policy setting, not a code change.

  15. 15

    Who is NOT a good fit for the platform?

    Fintechs operating in unlicensed gambling, adult content, grey-market goods, or compliance-bound verticals without the relevant operating licence aren't a good fit. The platform's underwriting filters these out at onboarding rather than letting volume start and then face termination.