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CUSTOM DEVELOPMENT

Fiat on-ramp & off-ramp integration.

Bring provider-led purchase and payout journeys into your product with clear eligibility, fee and settlement states.

Start a project

A scope built around your project.

The provider, geography and payment method determine the journey a customer can actually complete. We map eligibility checks, quote expiry, identity handoffs, redirects and asynchronous status updates before implementing the interface. The backend verifies callbacks, preserves provider references and distinguishes an initiated transfer from a completed settlement. Support teams receive a timeline explaining where responsibility sits when a transaction is delayed. Codemen builds the integration; provider approval, account agreements and the permissions to offer the service remain with the operator and its partners.

What we can deliver

Provider capability and supported-region mapping for the agreed launch scope.
Quote, payment-method, identity-handoff and status interfaces.
Signed callback verification, duplicate protection and settlement matching.
Customer timelines and a provider-escalation support runbook.
01

The experience

Start with people, journeys and the decisions the product must help them make.

02

The architecture

Define data ownership, integration boundaries and operational responsibilities.

03

The delivery

Agree on milestones, acceptance checks, documentation and ongoing care.

Connected expertise

Wallets & paymentsWallets & payment systemsWallets & paymentsBitcoin & Lightning integrationsWallets & paymentsSmart wallets & account abstraction