
Diameter Pay offers Cross-Border Payments API
Diameter Pay's API for cross-border payments across SWIFT, Fedwire, ACH, FedNow, and RTP.
- Currently Offered

Diameter Pay's API for cross-border payments across SWIFT, Fedwire, ACH, FedNow, and RTP.
The Cross-Border Payments API is Diameter Pay's core product, exposing fiat USD payment rails through a single integration. Institutions use it to send, receive, and settle cross-border payments over SWIFT, Fedwire, ACH, FedNow, and RTP networks.
Compliance automation and AML screening are built into each transaction, and the API supports virtual USD accounts, treasury, and custody for emerging-market banks and fintechs.


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Enables agents to pay in a single simple tool call while Natural handles the rest of the complexity.
Multi-currency business account for international invoicing, payroll, and payments across 160+ countries.

Multi-currency accounts for businesses to hold, send, and convert funds globally.

Moves cross-border payouts in more than 30 currencies to over 40 countries, including one-time, recurring, and bulk transfers.

API-first payment operations platform for bank money movement, ledgering, and reconciliation.

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Multi-currency business accounts for companies operating across many markets, with group-wide visibility and AI-agent operability.

Payout API letting platforms send instant payments to users over ACH, RTP, FedNow, and wallet rails.

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Cross-border bulk payout platform that sends funds to email or phone recipients across 130+ countries.

PaymentKnox protects outgoing corporate payments from vendor impersonation and business email compromise for accounts-payable teams.

Plaid provides bank data connectivity APIs for lending and underwriting workflows.

Connected Banking provides programmable bank-account APIs and multi-bank orchestration.

Payouts helps businesses send, track, and reconcile disbursements through bank-payment infrastructure.

Tazapay Payouts enables businesses to send cross-border payments through local and international transfer options.

Enables agents to pay in a single simple tool call while Natural handles the rest of the complexity.
