PSP payment

PSP payment — many PSPs, one integration, one ledger.

topropay puts every connected payment service provider behind a single unified API. Merchants integrate as sub-merchants once and route across the connected PSP panel per authorisation — including crypto PSPs via licensed partner gateways alongside fiat.

connected PSP panel · routed per BIN
routed per BIN · cascade on soft decline · 1 ledger
PSP
payment service provider model
Many
connected PSPs in the panel
1 API
unified REST surface
1 ledger
across every PSP

Key benefits

Why orchestrated psp payment provider relationships win

Four outcomes that show up consistently once a multi-PSP orchestration layer sits in front of the merchant's traffic, instead of a single direct PSP relationship.

  1. 01

    Many PSP relationships behind one psp payment integration

    A PSP — payment service provider — is the entity that processes authorisations on behalf of merchants, usually under one or more underlying acquirer or scheme relationships. topropay sits across many PSPs and exposes them through one unified API; the merchant integrates once and inherits the connected PSP set as a sub-merchant.

  2. 02

    Per-transaction routing across the PSP panel

    Every authorisation runs through the routing engine in under 200ms. The connected PSP most likely to clear that specific BIN, scheme and country pair wins — soft declines cascade to the next ranked PSP inside the same authorisation request. The merchant's outcomes shape the routing weights, not vendor sales decks.

  3. 03

    PSP IDs and analytics surfaced per authorisation

    Every authorisation tags the connected PSP ID and the routing policy that ran it. Analytics roll up per PSP, per scheme, per region — the merchant can see which PSPs win which segments and adjust routing weights from the dashboard. PSP-level chargeback and cost outcomes are first-class metrics.

  4. 04

    One reconciliation feed across the PSP panel

    Settlements, fees, refunds and chargebacks across every connected PSP normalise into one ledger keyed off vault tokens. Finance closes the month from one export — and the ledger tags every row with the PSP ID, scheme and routing policy that ran it.

How it works

From PSP panel mapping to live psp payment processor traffic in five stages

Five concrete stages between picking the right PSP set and live multi-PSP traffic. Most merchants are live in weeks; the rest is iteration.

  1. 01

    Map the PSP panel to your traffic

    A short discovery surfaces the connected PSPs most likely to fit your traffic — geography, scheme split, BIN bands, MCC, average ticket and chargeback profile.

  2. 02

    Sub-merchant onboarding once

    Underwriting and KYC happen through topropay's sub-merchant model. The merchant integrates once; the platform handles per-PSP paperwork that would otherwise repeat per relationship.

  3. 03

    Drop in the unified psp gateway API

    JSON-over-HTTPS REST surface plus SDKs. The same /v1/payments endpoint routes across the connected psp gateway panel; the merchant doesn't pick a different SDK per PSP.

  4. 04

    Route, cascade, capture

    Every authorisation runs through the routing engine; soft declines cascade to the next ranked PSP. Captures, refunds and dispute responses operate against vault tokens through the same API.

  5. 05

    Reconcile across PSPs

    Each connected PSP settles on its own schedule; topropay normalises the lot into one ledger keyed off vault tokens. Daily exports drop straight into ERP or warehouse.

Main use cases

Where a multi-PSP setup earns its keep

Six merchant shapes that share the same orchestration layer but stress the PSP panel differently — cross-border DTC, reseller PSPs, SaaS, marketplaces, crypto and licensed high-risk.

  • Cross-border

    Cross-border DTC and online retail

    EU, US and APAC merchants selling globally need PSP coverage in each region to keep interchange and approval profile intra-region. A US-issued card runs through a US-licensed PSP; an EU-issued card through an EU PSP; the routing engine picks the pair automatically.

  • PSP

    PSPs and ISVs reselling psp gateway capacity

    Resellers ride the platform's PSP portfolio downstream. Their merchants inherit the routing, BIN-level reporting and unified reconciliation; the PSP keeps the relationship and the pricing. White-label support is configurable per tenant.

  • SaaS

    Subscriptions and SaaS

    Renewal recovery is PSP-sensitive: a card that declined on one PSP may clear on another for reasons orthogonal to the card itself. Cascading across the PSP panel converts a per-provider retry script into a routing policy.

  • Plat

    Marketplaces and platforms

    Per-tenant sub-merchant onboarding under the platform's PSP relationships. Split payments, per-seller payouts and per-tenant reporting through one orchestration contract.

  • Crypto

    Crypto PSP integration alongside fiat

    Crypto PSPs (stablecoins, majors and L2 networks via licensed partner gateways) plug into the same /v1/payments endpoint as card. Merchants surface crypto as another method on the checkout; reconciliation rolls into the same feed as fiat.

  • Risk

    Licensed high-risk verticals

    Verticals where direct PSP underwriting is selective benefit from a curated multi-PSP panel — chargeback-aware routing across PSPs tuned to each MCC and chargeback band. Licensed operators only.

Platform features

Capabilities behind a psp gateway panel on the platform

What the platform actually ships for working with a panel of PSPs — the API contract, the routing engine, the dispute queue and the operator portal.

  • Unified psp payment gateway API

    One REST contract across every connected PSP; SDKs for web, mobile and server.

  • Smart routing engine

    Per-transaction scoring on BIN, scheme, currency, country pair and risk signals — ranked routes per authorisation.

  • Cascade & retry

    Soft declines cascade to the next ranked PSP inside the same authorisation; nothing leaks back to the buyer.

  • PSP-ID reporting

    Every authorisation tags the connected PSP ID and BIN used; analytics roll up per PSP, per scheme, per region.

  • PCI DSS Level 1 vault

    Card data captures into the platform's vault before it touches any PSP; vault tokens drive refunds, retries and recurring.

  • 3DS2 / SCA orchestration

    Selective challenges per transaction across the PSP panel — PSD2-compliant in Europe without breaking conversion.

  • Network tokens & updaters

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

  • Dispute & chargeback queue

    Unified queue across PSPs; evidence-pack templates per vertical; automated representment for select scheme types.

  • Settlement currency policy

    Settlement currency per PSP is a configuration choice; merchants don't carry FX they didn't ask for.

  • Operator portal

    One dashboard for authorisations, refunds, disputes and chargebacks across every connected PSP.

  • Crypto PSP connectors

    Crypto rails via licensed partner gateways exposed through the same API; stablecoins, majors and L2 networks.

  • Sandbox parity

    Per-environment sandbox that mirrors production — routing, cascade, 3DS, settlement and chargeback scenarios across the panel.

Trust & compliance

Compliance posture across the PSP panel

Every connected PSP relationship is wrapped in the platform's audited environment. Sub-merchants inherit posture rather than carrying separate certifications per PSP.

PCI DSS Level 1
Annual on-site assessment plus quarterly ASV scans; sub-merchants inherit the posture across the connected PSP panel.
Scheme programme tracking
Visa VDMP / VAMP / VFMP and Mastercard ECP / EFMP thresholds tracked per PSP relationship with dashboard alerts.
SCA & PSD2
Selective 3DS2 on the authorisation path keeps approval high in Europe without skipping the compliance bar.
Sanctions & AML alignment
Sanctions screening on onboarding; AML monitoring tuned per merchant vertical and per PSP's appetite.
Data residency
Regional data-residency options for merchants under regulators that require it; EU-resident traffic stays in-region by default.
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 map the PSP panel

One API in front of every PSP that fits your traffic.

A 30-minute PSP review walks through the connected panel for your BIN and method mix, the routing policies that suit your traffic, and a sandbox to test against before any commercial commitment.

Frequently asked

Buyer questions about psp payment on topropay

Questions buyers ask before committing — what a PSP is, how PSP IDs work, the crypto-PSP angle and how the platform compares to a single PSP relationship.

  1. 01

    What does topropay mean by psp payment?

    PSP payment on topropay means authorisations processed through one of the connected payment service providers behind the platform's unified API. The merchant integrates once as a sub-merchant; the routing engine picks the PSP per transaction across the connected panel.

  2. 02

    What is a psp number, and where does it appear?

    A PSP number — sometimes called a PSP ID — is the identifier the platform (or the underlying scheme) assigns to a payment service provider. It surfaces in reconciliation rows, dispute case files and analytics. topropay tags every authorisation with the connected PSP ID so the merchant can roll up performance per PSP over time.

  3. 03

    How does the psp fintech model differ from a traditional acquirer?

    The psp fintech model collapses gateway, processing and (often) acquiring into one product that's friendlier to integrate against than a raw acquirer relationship. topropay sits one layer above — orchestration across many PSPs behind one API — so the merchant gets the fintech-style API ergonomics plus multi-provider optionality.

  4. 04

    What's a psp gateway in this context?

    A PSP gateway is the technical authorisation surface a PSP exposes for capture, refund, void and dispute. topropay collapses many PSP gateways into one — the merchant integrates against the unified API and the platform handles the per-PSP message exchange behind it. From the merchant's code it looks like one gateway; from the routing engine's perspective each connected PSP is a lane.

  5. 05

    Is gateway psp the same thing as psp gateway?

    Yes — gateway psp and psp gateway are word-order variants describing the same shape: the gateway side of a payment service provider's stack. Industry usage favours psp gateway; gateway psp surfaces in search queries because the descriptor and noun get reordered in titles. Both mean the same thing.

  6. 06

    What's a psp id used for inside the platform's data model?

    PSP id inside the platform's data model is the join key between an authorisation, its connected PSP relationship and the reconciliation row that settles it. Every webhook event carries it; every dashboard analytic groups by it; every dispute case file references it. Auditors trace authorisations back to the PSP that handled them via the psp id.

  7. 07

    Is topropay itself a psp payment provider?

    topropay operates in the orchestration layer above the PSPs — it's a payment aggregator and orchestrator, not a direct PSP in every market. Merchants integrate as sub-merchants on the platform's PSP relationships and inherit the underlying acquirer / scheme licences rather than holding direct PSP contracts themselves.

  8. 08

    How does topropay compare to a single psp payment processor?

    A single psp payment processor runs every authorisation through one provider's appetite, rate card and uptime story. topropay runs many — and the routing engine picks the best route per authorisation. The merchant trades a slightly larger up-front integration for years of optionality across PSPs without re-onboarding per relationship.

  9. 09

    What is a crypto psp and is it supported?

    A crypto PSP is a payment service provider that handles cryptocurrency rails — stablecoin authorisations, major-token transfers, L2 settlement. topropay surfaces crypto PSPs through licensed partner gateways alongside fiat PSPs; the same /v1/payments endpoint handles both. Crypto authorisations roll up into the same ledger as fiat receipts.

  10. 10

    Can merchants run a mix of fiat and crypto psp gateway flows on one API?

    Yes — the same authorise endpoint handles cards via fiat PSPs and crypto via partner-licensed crypto PSPs. The merchant adds method: card or method: crypto on the request; the platform handles the per-PSP routing, the vault tokens and the reconciliation feed identically across surfaces.

  11. 11

    How is the psp payment provider relationship priced?

    PSP payment provider traffic is priced per-authorisation on top of the underlying PSP economics. Interchange and scheme fees pass through where the underlying PSP supports it; topropay's platform fee is a separate line on the invoice. No platform retainer, no monthly minimum.

  12. 12

    What does the psp payment gateway return on a successful authorisation?

    The psp payment gateway response shape mirrors a standard authorise response: an authorisation ID, a status (authorised / captured / declined), the connected PSP ID and routing-policy reference, the latency and a vault token for the saved card. Signed webhooks fire on each subsequent state change.

  13. 13

    Does the platform handle psp payment processor failover automatically?

    Yes. The cascade engine handles psp payment processor failover automatically — when the chosen PSP returns a soft decline, the authorisation rotates to the next ranked PSP inside the same request without the buyer seeing an error. Hard declines and risk-based rejections aren't cascaded.

  14. 14

    What's the relationship between the psp gateway and the acquiring bank?

    The psp gateway is the integration surface the merchant talks to; the acquiring bank is the licensed institution that settles the funds. Some PSPs hold their own acquiring licence; others sit on top of an acquiring bank's licence. topropay abstracts both layers — the merchant integrates against one unified API regardless of how the PSP and the bank stack relate underneath.

  15. 15

    What's the cleanest way to compare PSPs on the platform?

    The cleanest comparison is on actual production traffic. topropay's analytics surface approval rate, landed cost and dispute outcomes per PSP per segment. Routing-weight tuning is the lever; the data is the input. Spec-sheet PSP comparisons usually don't survive real traffic data.