Finexer
Finexer is an FCA-authorised UK Open Banking infrastructure provider offering a single REST API for bank account data and payment initiation, serving mid-market SaaS platforms across accounting, payroll, lawtech, proptech, EPOS, and utility billing with coverage of 99% of UK banks.
- Company typePrivate
- Founded2019
- HeadquartersLondon, United Kingdom
- Headcount1–10
- GTM typeB2B
- OfferingSoftware
What Finexer does
Finexer is an FCA-authorised Open Banking infrastructure provider headquartered in London, founded in 2019 to serve UK mid-market SaaS platforms underserved by enterprise-focused providers. The company operates a single REST API delivering Account Information Services (AIS) and Payment Initiation Services (PIS) across 99% of UK banks (including Barclays, HSBC, Lloyds, Monzo, Revolut, and Starling), with a normalised JSON data layer, managed webhook infrastructure, and white-label consent flows. Its product suite comprises five modules: Data Aggregation, Instant Payments, Sign in via Bank, Connect, and Dashboard.
Finexer monetises via usage-based pricing on API calls and payment transactions with no setup fees, supplemented by a Transaction Enrichment API, Bulk Payouts, and Pay-by-Bank via Faster Payments capabilities. Its go-to-market combines self-serve developer onboarding (free sandbox) with direct enterprise field sales across verticals including accounting and ERP, payroll and invoicing, lawtech, proptech, EPOS, and utility billing. Named customers span Sysynkt, VSiD, Balance, Committee, PayTrueQR, BASETTAX, Rentr, and boshhh group, all in the mid-market or SMB tier. Backed by SFC Capital and the British Business Bank with a pre-seed round completed in July 2025, Finexer is currently raising a growth round to fund European expansion.
Finexer firmographics
Firmographics- Name
- Finexer
- Legal name
- Finexer LTD
- Website
- https://finexer.com
- Company type
- Private
- Founded year
- 2019
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- Finexer is an FCA-authorised UK Open Banking infrastructure provider offering a single REST API for bank account data and payment initiation, serving mid-market SaaS platforms across accounting, payroll, lawtech, proptech, EPOS, and utility billing with coverage of 99% of UK banks.
- Ownership category
- akta.pro rank
Finexer industry classification
Industry- Product category
- Open Banking API Platform
- NAICS
- Financial Transactions Processing, Reserve, and Clearinghouse Activities (522320)
- SIC
- Finance Services (6199)
- akta.pro primary industry
- A2A Checkout & Merchant Acceptance Solutions (FSAMAFAF)
- akta.pro secondary industries
- A2A Bill Pay & eInvoicing (Open Banking Enabled) (FSAMAFAL), Risk, Compliance & Controls for Embedded Finance (KYB/KYC/AML, Fraud, Disputes) (FSAGALAK)
Keywords
Where Finexer is headquartered
LocationHeadquarters
- HQ city
- London
- HQ country
- United Kingdom
- HQ region
- Europe
Offices1 record
Markets served
Finexer business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Infrastructure, Marketing or Sales, Operations
Revenue model
- Payment Initiation Services (PIS) - Transaction Fees: Finexer charges usage-based fees for payment initiation services. Platforms pay per payment processed through the Open Banking payment rails. Pricing is usage-based with no setup fees, and deployment is measured in weeks.
- Account Information Services (AIS) - Usage-Based API Access: Charges for access to bank transaction data via AIS API. Usage-based pricing model for API calls, data retrieval, and transaction enrichment services.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Usage-based | Pay-as-you-go | Usage-based pricing for Open Banking API access and payment processing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Finexer product offering
Product offeringCore offering
Finexer is an FCA-authorised Open Banking infrastructure provider offering a unified REST API that delivers Account Information Services (AIS), Payment Initiation Services (PIS), identity verification, and transaction enrichment to UK B2B SaaS platforms. Its single API layer connects to 99% of UK banks, normalising bank-level data into a consistent JSON schema and enabling real-time bank data access, instant A2A payments via Faster Payments, and bulk payouts for accounting, ERP, payroll, lawtech, proptech, and utility billing platforms.
Product overview
Finexer is an FCA-authorised Open Banking infrastructure platform offering a unified API-based product suite for UK B2B platforms. The core offering consists of five integrated modules: Data Aggregation (bank account data access via AIS), Instant Payments (payment initiation via PIS), Sign in via Bank (identity verification), Connect (account management and affordability checks), and Dashboard (analytics and business management). These products work together as a single integration layer, enabling platforms in accounting, ERP, lawtech, payroll, proptech, and utility billing sectors to access real-time bank data and process A2A payments through one API connection covering 99% of UK banks.
Differentiator
Problem solved
Functional benefit
Products and services
- Data Aggregation Provides real-time access to client bank account data across multiple UK financial institutions through a single API connection, enabling platforms to retrieve transaction history, balances, and account information via Open Banking AIS with up to 7 years of history and consistent JSON output per transaction.
- Instant Payments Enables platforms to send money or collect payments instantly through Open Banking infrastructure via Faster Payments, supporting A2A payments, bulk payouts, and payment reconciliation with per-payment webhook status updates at each lifecycle stage (initiated, in progress, confirmed, failed).
- Sign in via Bank Provides online identity verification services using bank account information combined with facial recognition, enabling customer onboarding and KYC compliance workflows in real time.
- Connect Allows platforms to manage financial accounts on behalf of users through a single integration, offering financial functionality including affordability checks, account management, and bank feed connectivity.
- Dashboard Provides analytics and visualisation tools for analysing financial data along with business function management capabilities including consent management and webhook configuration.
Quantifiable outcome
- 53% year-on-year growth in payment initiation API call volumes across the UK Open Banking ecosystem
- +5 more outcomes
Companies that use Finexer
Customer profileNamed customers10 records
Segments6 records
Ideal customer profiles2 records
Finexer technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Feature12 records
Finexer partnerships and signals
Strategic signalScale indicators6 records
Recent moves6 records
Expansion highlights5 records
Finexer competitors and assessment
Company assessmentDirect peers
- Yapily: European Open Banking API provider offering account information and payment initiation services across multiple countries. Directly comparable to Finexer in product scope, target customer (platforms) and UK/EU regulatory positioning.
- Token.io: Open Banking payment initiation and account information provider focused on bank-to-bank payments. Comparable to Finexer in the A2A payment initiation space and UK/EU customer base.
- Volt: Open Banking payment infrastructure provider offering real-time A2A payments across the UK and Europe. Competes with Finexer's Instant Payments and bulk payout offerings for platform and merchant use cases.
- Bud Financial: UK Open Banking data and insights platform serving banks and fintechs with transaction enrichment and categorisation. Overlaps with Finexer's data aggregation and enrichment capabilities for UK financial institutions and platforms.
- TrueLayer: UK-based Open Banking platform providing AIS and PIS APIs to fintechs and platforms. The most direct competitor to Finexer, with overlap on payment initiation, data aggregation and a shared focus on UK/European mid-market and enterprise customers.
- Tink: Visa-owned Open Banking platform operating across Europe, providing AIS, PIS, and account verification. Competes with Finexer for platform customers in the UK and EU with comparable PSD2-aligned API infrastructure.
Broad incumbents
- Trustly: Established A2A payment network across Europe and the US, serving large merchants and platforms. Competes with Finexer in account-to-account payments at a broader incumbent scale.
- Plaid: Global financial data connectivity platform offering account linking, payments and identity verification. Increasingly competing with Finexer in the UK and EU through its Open Banking offerings, but at much larger scale and broader geographic footprint.
Emerging players
- Salt Edge: Open Banking API and account aggregation provider with strong UK and European bank coverage. Comparable to Finexer in offering bank connectivity and PSD2-based data and payment APIs, with broader geographic reach.
- Modulr: UK-based payments-as-a-service provider offering account, payment and Open Banking infrastructure to platforms. Adjacent to Finexer's payments offering, with overlap in UK platform customers and API-first distribution.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
Finexer social profiles
Digital presenceFinexer compliance and trust
Trust signalCompliance5 records
Finexer financial estimates
Financial estimateRevenue estimate
Valuation estimate
Finexer leadership team
Management profileNumber of profiles
Profiles2 records
Finexer funding detail
Funding detailFunding overview
Funding rounds1 record
Investors2 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Finexer M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Finexer
What does Finexer do?
Finexer is an FCA-authorised Open Banking infrastructure provider offering a unified REST API that delivers Account Information Services (AIS), Payment Initiation Services (PIS), identity verification, and transaction enrichment to UK B2B SaaS platforms. Its single API layer connects to 99% of UK banks, normalising bank-level data into a consistent JSON schema and enabling real-time bank data access, instant A2A payments via Faster Payments, and bulk payouts for accounting, ERP, payroll, lawtech, proptech, and utility billing platforms.
Is Finexer a public or private company?
Finexer is a private company. It is classified as venture growth investor backed and is currently operating.
When was Finexer founded?
Finexer was founded in 2019. It employs 1 to 10 people.
Where is Finexer based?
Finexer is headquartered in London, United Kingdom, in the Europe region.
How does Finexer make money?
Two revenue lines are on record. Payment Initiation Services (PIS) - Transaction Fees are the primary driver. The others are account Information Services (AIS) - Usage-Based API Access.
Who are Finexer's main competitors?
Direct peers on record are Yapily, Token.io, Volt, Bud Financial, TrueLayer and Tink. Broad incumbents are Trustly and Plaid. Emerging players are Salt Edge and Modulr.
Does Finexer have an API?
Yes. Finexer offers a REST-based Open Banking API providing Account Information Services (AIS) and Payment Initiation Services (PIS). The API enables access to verified bank data across UK banks, real-time financial information, transaction data, payment initiation, and webhook notifications. Features include: consistent JSON schema across major UK banks, managed webhook delivery with retry handling, merchant identification and categorisation, up to 7 years of transaction history, white-label consent flows, and 99.99% uptime. Sandbox accounts for testing are free of charge. Developer documentation is at finexer.com/api.
What industry is Finexer in?
Finexer's product category is Open Banking API Platform. Its primary akta.pro industry code is FSAMAFAF, A2A Checkout & Merchant Acceptance Solutions, with a secondary code of FSAMAFAL, A2A Bill Pay & eInvoicing (Open Banking Enabled). Its NAICS code is 522320 and its SIC code is 6199.