Welcome to OMNO

OMNO is a single API for Pay-In and Pay-Out across multiple payment service providers (PSPs). Integrate once and process card, APM and crypto payments through providers OMNO manages for you.

• Multi-PSP processing — accept and send payments across many PSPs through one integration.
• Routing — direct each transaction to a suitable provider based on country, method, performance and business rules.
• Advanced eligibility and PSP filtering — OMNO filters which PSPs a customer can be routed to, based on eligibility rules. PSPs can be aligned to customer groups and KYC groups/levels, so a customer is only offered PSPs whose rules match that customer's group and KYC level. This works together with routing rules. Driven by customer.customerGroups and customer.kyc.kycLevels on the Cashier Session request. See Routing & PSP Eligibility.
• Webhooks — receive transaction lifecycle updates in real time. Webhooks are the source of truth for final outcomes.
• Reporting — transaction data across all providers.

OMNO offers three integration flows. Pick one on Choose Your Integration.

• Cashier (recommended) — OMNO-hosted checkout for card, APM and crypto, with deposit and withdrawal in a single session; open it from your frontend with the Web SDK.
• Direct Link — no OMNO UI; backend-driven APM and crypto flows.
• Payment Page (Legacy) — hosted page for card and APM with a fixed amount. Not available for new merchant onboarding.

1. How Onboarding Works — from first contact to going live.
2. Choose Your Integration — pick the flow that fits your use case.
3. Base URLs — the production hosts you'll call.
4. APIs → Authentication — get an access token.

For technical assistance or integration support, contact support@omno.com.