Open custom deposit, savings and virtual ledger accounts in a single API call.
Ledgers
Fernwick gives product teams the accounts, payments and compliance rails they need to launch, scale and operate regulated money features.
Get startedOpen custom deposit, savings and virtual ledger accounts in a single API call.
Move money with fast, low-cost domestic transfers, batch payouts and bill runs.
Issue branded physical and virtual cards to your customers on our BIN sponsorship.
Underwrite and service credit lines with programmable limits and repayment logic.
Offer tailored treasury and investment products to individuals and businesses.
Reconcile, report and audit every movement with a unified financial data layer.
Marketplaces
We settle to 1,840 seller accounts across four currencies every Friday — Fernwick handles the ledgering, FX and reconciliation behind it.
Vertical SaaS
Verdal shipped issuing to 320 contractors in seven weeks, with per-job limits enforced at authorisation rather than after the fact.
Everything you need to build, embed and launch regulated money features — with sandboxes that behave like production.
View docscurl --request POST \ --url https://api.sandbox.fernwick.dev/v1/transfers \ --header 'accept: application/json' \ --header 'x-fernwick-key: <API Key>' \ --data '{"ledger":"led_74d1c9","amount":248500}'
One integrated platform for accounts, movement and card rails — no stitching four vendors together.
A modern REST API with idempotency, webhooks and typed SDKs that bend to your product model.
Your name on the statement, your terms in the app. We stay invisible behind your brand.
We hold the licences, screening and bank relationships so your team can stay on the product.
Clear reference docs, seeded sandboxes and migration guides get most teams live inside six weeks.
99.982% platform availability across the last four quarters, with SOC 2 Type II and PCI DSS coverage.