The fastest connection to UK open banking

Payments in and out, identity checks, live bank data.
One API to build your own product on.

Trusted by

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By the numbers

Infrastructure built to scale

Requests processed through our rails

196M

Platform uptime

99.9%

Average response time

0.3s
Regulation

No FCA licence? Build on ours instead.

Go live on regulated, secure infrastructure from day one with Finexer's agent licence.

FCA Authorised

Authorised by the Financial Conduct Authority for account information and payment initiation services.

PSD2 Compliant

Every connection runs under PSD2's regulatory framework, with strong customer authentication built into every payment and data request.

AES-256 Encrypted

Data in transit and at rest is protected with AES-256 encryption, the same standard banks themselves rely on.

Our products

Plug into banking

Platform

One platform. Every bank.

One connection to 99% of UK banks, available via API or our no-code dashboard.

Choose your bank

  • Bank Of Scotland
  • Barclays
  • Lloyds
  • Monzo
  • NatWest
  • Royal Bank of Scotland
  • Wise
  • Allied Irish Bank
  • American Express
  • Bank of Ireland 365 Online
  • Bank of Ireland Business
  • Bank Of Scotland Business
  • Bank Of Scotland Commercial
  • Barclaycard Commercial Payments
  • Barclaycard UK
  • Barclays Business
  • Barclays Corporate
  • Barclays Wealth
  • CapitalOne
  • Cater Allen
  • Chase UK
  • Chelsea Building Society
  • Coutts & Company
  • Coutts ClearSpend
  • Cumberland Building Society
  • Danske
  • Danske Business
  • First Direct
  • Halifax
  • Hoares Bank
  • HSBC
  • HSBC Business
  • HSBC Kinetic
  • HSBCNet
  • Lloyds Business
  • Lloyds Commercial
  • M&S Bank
  • MBNA
  • Mettle
  • Mizuho Bank
  • Nationwide
  • NatWest Bankline
  • NatWest ClearSpend
  • Revolut
  • Royal Bank of Scotland Bankline
  • Royal Bank of Scotland ClearSpend
  • Sainsbury's Bank
  • Santander
  • Santander Business
  • Santander Corporate
  • Starling
  • Tesco Bank
  • Tide
  • TSB
  • Ulster
  • Ulster Bankline
  • Ulster ClearSpend
  • Vanquis Bank
  • Virgin Money (legacy)
  • Virgin Money (merged)
  • Yorkshire Building Society
  • Zempler Bank
Use Cases

Built for your industry

Whether you're collecting rent, reconciling invoices, or building the product that does it, Finexer powers your payments and data.

Developers

Built for developers

REST done properly. Strict resource semantics, one naming convention throughout, and every field you actually need. Build freely, guess never.

Finexer API · v1
200 OK
curl https://api.finexer.com/providers \
  -H "Authorization: sk_live_a4L2doWnU3pq3g83xxxxx" \
  -G -d "roles[]=ais" \
  -d "roles[]=bpis" \
  -d "limit=20"
{
  "count": 22,
  "data": [
    { "id": "barclays", "name": "Barclays", "roles": ["ais", "pis", "bpis"] },
    { "id": "natwest", "name": "NatWest Business", "roles": ["ais", "pis"] },
    // + more UK banks
  ]
}
curl https://api.finexer.com/bank_accounts \
  -H "Authorization: sk_live_a4L2doWnU3pq3g83xxxxx" \
  -G -d "customer=cus_hjw5i1xO9zQK5kpS" \
  -d "provider=natwest" \
  -d "created_at.gte=2026-01-01" \
  -d "created_at.lte=2026-08-01" \
  -d "limit=20"
{
  "object": "list",
  "count": 16,
  "paging": {
    "total": 16,
    "next": null,
    "prev": null
  },
  "data": [
    {
      "id": "ba_og9MCsQHizmC927sDNoTF7xWx",
      "holder_name": "Elena Voss",
      "sort_code": "601613",
      "account_number": "31928401",
      "currency": "gbp",
      "type": "personal",
      "provider": "natwest"
    },
    {
      "id": "ba_kP4nR8vLm2QwX7sH9cT3uYdA",
      "holder_name": "Northbridge Ltd",
      "sort_code": "560029",
      "account_number": "88412033",
      "currency": "gbp",
      "type": "business",
      "provider": "natwest"
    },
    // + 14 bank accounts
  ]
}
curl https://api.finexer.com/payments \
  -H "Authorization: sk_live_a4L2doWnU3pq3g83xxxxx" \
  -X POST \
  -d "amount=2450" \
  -d "currency=gbp" \
  -d "provider=natwest" \
  -d "statement=INV88421" \
  -d "description=Invoice payment" \
  -d "customer=cus_hjw5i1xO9zQK5kpS"
{
  "id": "pt_LiDYx1SaOBw57TOI9K",
  "object": "payment",
  "amount": 2450,
  "currency": "gbp",
  "statement": "INV88421",
  "description": "Invoice payment",
  "customer": "cus_hjw5i1xO9zQK5kpS",
  "provider": "natwest",
  "status": "pending",
  "redirect": {
    "return_url": "https://bigtechapp.com/payment-callback",
    "consent_url": "https://pay.finexer.com/co4blWigwSoprWlai"
  }
}
curl https://api.finexer.com/webhooks \
  -H "Authorization: sk_live_a4L2doWnU3pq3g83xxxxx" \
  -G -d "limit=2" \
  -d "offset=0"
{
  "object": "list",
  "count": 3,
  "data": [
    {
      "id": "wh_rpC4XFqlZd3JqG5tCampbL9ml",
      "object": "webhook",
      "created_at": "2020-08-15T10:56:12Z",
      "name": null,
      "url": "https://bigtechapp.com/hooks",
      "status": "enabled",
      "secret": "Ufg3BOE2Dm0wrqbIPvujL5ic"
    },
    {
      "id": "wh_4ZFeSoGHycUB78Z5OEdf1AqEF",
      "object": "webhook",
      "created_at": "2020-02-10T10:42:22Z",
      "name": "nginx server",
      "url": "https://bigtechapp.com/laim-hooks",
      "status": "enabled",
      "secret": "r05L79dX5SDmFUOwDHrvzkX6"
    },
    // + 1 webhook
  ]
}
curl https://api.finexer.com/bank_accounts/ba_og9MCs.../transactions \
  -H "Authorization: sk_live_a4L2doWnU3pq3g83xxxxx" \
  -G -d "status=booked" \
  -d "currency=gbp" \
  -d "timestamp.gte=2026-06-05" \
  -d "timestamp.lte=2026-08-01" \
  -d "limit=2" \
  -d "offset=0"
{
  "object": "list",
  "count": 2,
  "data": [
    {
      "id": "trn_sv3X777v39OXXeUqz6flcFVE",
      "object": "transaction",
      "timestamp": "2026-06-18T13:20:48Z",
      "amount": -4250.00,
      "currency": "gbp",
      "type": "debit",
      "description": "OFFICE RENT JUN 2026",
      "category": "payments",
      "merchant": "Northbridge Estates",
      "status": "booked",
      "balance": 2455.70
    },
    {
      "id": "trn_kP4nR8vLm2QwX7sH9cT3uYdA",
      "object": "transaction",
      "timestamp": "2026-06-16T09:04:12Z",
      "amount": 1860.00,
      "currency": "gbp",
      "type": "credit",
      "description": "INV-4418 CONSULTING FEES",
      "category": "income",
      "merchant": "Helix Advisory Ltd",
      "status": "booked",
      "balance": 6705.70
    }
  ]
}
Customer stories

"Our business isn't about the volume of consents — it's about delivering high-quality services to some of the biggest names in the industry. We needed a partner who understood the importance of business-focused solutions, and Finexer joined us on that journey."

Penny Phillips Chief Commercial Officer, Sysynkt

"Finexer is easy to work with and flexible in their approach, providing the bespoke services we required alongside a viable commercial package. Finexer has proven to be more than a provider — they're a trusted partner who understands our vision."

David Kern CEO, VirtualSignature-ID

"We chose Finexer because of their specialist expertise in Open Banking and deep understanding of emerging fintechs like ours. Their infrastructure connects us securely to customers' bank accounts and shares our vision of using innovation to drive financial inclusion."

Hanan Burki Co-Founder & CEO, Committee App

Cross-border

UK to Europe

From domestic UK transfers to EU international payments via IBAN, all through one API. World coverage coming soon.

99% UK banks supported
< 3s Avg. confirmation
SEPA EU payments
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