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COMPANY

The people, and the controls, behind the ledger.

One platform every team stands behind. Governance you didn't have to write. And a team that has shipped issuing, acquiring, and money-movement infrastructure at the scale your audit cares about.

Pre-GA · taking design partners — see what runs today

FOR EVERY TEAM

One platform.
Every team behind it.

Product, engineering, ops, finance, and compliance share one surface, each with a view built for them. No more bouncing the same number between four tools.

Product & engineering typed SDKs · sandbox networks
webhooks you can replay from any point
Operations disputes · KYC · cardholder support
embeddable operator workspaces
Finance real-time ledger · GL-ready exports
reconciled to the cent
Risk & compliance policy-as-code · in-auth screening
examiner-ready evidence packs
GOVERNANCE

Governance you didn't
have to write.

Every decision is a record. Every model has a leash. Every action has a reviewer. Your compliance team inherits the controls they would have built themselves.

Policy-as-code version, diff, and stage rules
like product code
Screening, in the auth OFAC · AML · 3DS · CARD-Act
Reg-E timers tracked in-platform
Immutable audit every action writes to
the governance ledger
Examiner-ready one click → an evidence pack
for any disputed event
LEADERSHIP

Payments architects.
Compliance veterans.
Product engineers.

The people building StringIO have shipped issuing, acquiring, and money-movement infrastructure at the scale your audit cares about. They have sat on every side of the table: card networks, sponsor banks, and the regulators who watch them.

GET STARTED

Talk to the team building it.