Algbra website screenshot

Algbra

Algbra is a UK values-based, sustainability-focused fintech operated by Algbra FS UK Limited (company number 12629086), an electronic money institution authorised by the Financial Conduct Authority under the Electronic Money Regulations 2011 (FRN 952360); its parent, Algbra Group Limited, is a certified B Corporation. Rather than a licensed clearing bank or building society, Algbra is a challenger provider of ethical multi-currency accounts, cards, savings and Banking-as-a-Service infrastructure. Through the Algbra Labs developer platform it exposes two API surfaces - a first-party Partner Banking (BaaS) API for onboarding, accounts, cards, payments and transactions, and a UK Open Banking dedicated interface conformant to the Open Banking Implementation Entity (OBIE) Read/Write Standard v3.1.8 covering Account & Transaction Information (AIS), Payment Initiation (PIS) and Confirmation of Funds (CBPII), delivered via the Tell Money (Tell Connect) platform. As a non-CMA9 ASPSP it meets PSD2 access-to-account obligations, securing the interface with FAPI-grade OAuth2/OIDC, mutual-TLS using OBIE OBWAC/OBSEAL eIDAS certificates, PS256 request-object signing, Dynamic Client Registration (DCR v3.2) and PSD2 strong customer authentication.

Algbra publishes 1 API on the APIs.io network: Account and Transaction Information API (AIS). Tagged areas include Financial Services, Banking, Open Banking, PSD2, and OBIE.

The Algbra catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Algbra’s developer surface includes authentication, sandbox, getting-started guide, documentation, signup flow, engineering blog, pricing, and 21 more developer resources.

53.4/100 developing ▬ flat Agent 68/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
4 APIs
Financial ServicesBankingOpen BankingPSD2OBIEUnited KingdomPaymentsAccount InformationFintechEthical FinanceBanking as a Service

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 53.4/100 · developing
Contract Quality 15.1 / 25
Developer Ergonomics 11.7 / 20
Commercial Clarity 8.9 / 20
Operational Transparency 1.4 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 68/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 9 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 6 / 6
Agent Skills 5 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/algbra: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Algbra Account and Transaction Information API (AIS)

Algbra's UK Open Banking Account & Transaction Information (AIS) dedicated interface, conformant to the OBIE Read/Write Standard v3.1, enabling authorised AISP Third Party Provi...

Algbra Payment Initiation API (PIS)

Algbra's UK Open Banking Payment Initiation (PIS) dedicated interface under the OBIE Read/Write Standard v3.1.8, allowing authorised PISP Third Party Providers to initiate payme...

Algbra Confirmation of Funds API (CBPII)

Algbra's UK Open Banking Confirmation of Funds (CBPII) dedicated interface under the OBIE Read/Write Standard v3.1.8, allowing authorised CBPII Third Party Providers to confirm ...

Algbra Partner Banking API

Algbra Labs' first-party Partner Banking (Banking-as-a-Service) API for B2B partners, covering customer onboarding and compliance checks, primary and virtual accounts, card issu...

Arazzo Workflows 2

Multi-step API workflows described with the Arazzo specification.

_Index

ARAZZO

Algbra OBIE account-access and read

Create an OBIE account-access consent, confirm it is authorised, then read the customer's accounts, balances and transactions through Algbra's UK Open Banking (AIS) dedicated in...

ARAZZO

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Algbra Authentication

oauth2 · 2 schemes

SECURITY

Algbra Domain Security

TLSv1.3 · HSTS · DNSSEC · DMARC

SECURITY

Algbra Vulnerability Disclosure

Hackerone · contact published

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Algbra Scopes

4 scopes · authorizationCode/clientCredentials

4 scopes

SCOPES

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Algbra Agentic Access

8 operations · 2 acting

8 operations · 2 acting

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 7

Pagination, idempotency, versioning, errors, and events

Scroll for all 7

Access & Security 5

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: algbra
url: https://raw.githubusercontent.com/api-evangelist/algbra/refs/heads/main/apis.yml
name: Algbra
kind: company
description: Algbra is a UK values-based, sustainability-focused fintech operated by Algbra FS UK Limited (company number
  12629086), an electronic money institution authorised by the Financial Conduct Authority under the Electronic Money Regulations
  2011 (FRN 952360); its parent, Algbra Group Limited, is a certified B Corporation. Rather than a licensed clearing bank
  or building society, Algbra is a challenger provider of ethical multi-currency accounts, cards, savings and Banking-as-a-Service
  infrastructure. Through the Algbra Labs developer platform it exposes two API surfaces - a first-party Partner Banking (BaaS)
  API for onboarding, accounts, cards, payments and transactions, and a UK Open Banking dedicated interface conformant to
  the Open Banking Implementation Entity (OBIE) Read/Write Standard v3.1.8 covering Account & Transaction Information (AIS),
  Payment Initiation (PIS) and Confirmation of Funds (CBPII), delivered via the Tell Money (Tell Connect) platform. As a non-CMA9
  ASPSP it meets PSD2 access-to-account obligations, securing the interface with FAPI-grade OAuth2/OIDC, mutual-TLS using
  OBIE OBWAC/OBSEAL eIDAS certificates, PS256 request-object signing, Dynamic Client Registration (DCR v3.2) and PSD2 strong
  customer authentication.
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Partner onboarding / OBIE Dynamic Client Registration
  confidence: medium
  source:
  - authentication
  - documentation
  generated: '2026-07-23'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
- Financial Services
- Banking
- Open Banking
- PSD2
- OBIE
- United Kingdom
- Payments
- Account Information
- Fintech
- Ethical Finance
- Banking as a Service
created: '2026-07-23'
modified: '2026-07-23'
specificationVersion: '0.19'
apis:
- aid: algbra:algbra-account-transaction-api
  name: Algbra Account and Transaction Information API (AIS)
  description: Algbra's UK Open Banking Account & Transaction Information (AIS) dedicated interface, conformant to the OBIE
    Read/Write Standard v3.1, enabling authorised AISP Third Party Providers to create account-access consents and read accounts,
    balances, beneficiaries and transactions with the customer's consent. Delivered via the Tell Money (Tell Connect) platform;
    FAPI OAuth2/OIDC + mTLS + PSD2 SCA.
  humanURL: https://developer.algbralabs.com/open-banking-uk/introduction
  baseURL: https://secure.tell.systems/algbra/open-banking/v3.1/aisp
  tags:
  - Account Information
  - Open Banking
  - AIS
  properties:
  - type: OpenAPI
    url: openapi/algbra-account-transaction-api-openapi.yml
  - type: Documentation
    url: https://developer.algbralabs.com/open-banking-uk/introduction
  - type: APIReference
    url: https://developer.algbralabs.com/open-banking-uk/api-reference
  - type: Documentation
    url: https://developer.algbralabs.com/open-banking-uk/api-reference/account-access-consents
  - type: Documentation
    url: https://developer.algbralabs.com/open-banking-uk/api-reference/accounts
- aid: algbra:algbra-payment-initiation-api
  name: Algbra Payment Initiation API (PIS)
  description: Algbra's UK Open Banking Payment Initiation (PIS) dedicated interface under the OBIE Read/Write Standard v3.1.8,
    allowing authorised PISP Third Party Providers to initiate payments on a customer's behalf (scope 'payments'). Documented
    as part of Algbra's OBIE-conformant interface; secured with FAPI OAuth2/OIDC, mTLS and PSD2 SCA. No first-party OpenAPI
    is published separately from the OBIE standard specification.
  humanURL: https://developer.algbralabs.com/open-banking-uk/introduction
  baseURL: https://secure.tell.systems/algbra/open-banking/v3.1/pisp
  tags:
  - Payments
  - Open Banking
  - PIS
  properties:
  - type: Documentation
    url: https://developer.algbralabs.com/open-banking-uk/introduction
  - type: APIReference
    url: https://openbankinguk.github.io/read-write-api-site3/v3.1.8/profiles/
- aid: algbra:algbra-confirmation-of-funds-api
  name: Algbra Confirmation of Funds API (CBPII)
  description: Algbra's UK Open Banking Confirmation of Funds (CBPII) dedicated interface under the OBIE Read/Write Standard
    v3.1.8, allowing authorised CBPII Third Party Providers to confirm the availability of funds (scope 'fundsconfirmations').
    Documented as part of Algbra's OBIE-conformant interface; secured with FAPI OAuth2/OIDC, mTLS and PSD2 SCA.
  humanURL: https://developer.algbralabs.com/open-banking-uk/introduction
  baseURL: https://secure.tell.systems/algbra/open-banking/v3.1/cbpii
  tags:
  - Confirmation of Funds
  - Open Banking
  - CBPII
  properties:
  - type: Documentation
    url: https://developer.algbralabs.com/open-banking-uk/introduction
  - type: APIReference
    url: https://openbankinguk.github.io/read-write-api-site3/v3.1.8/profiles/
- aid: algbra:algbra-partner-banking-api
  name: Algbra Partner Banking API
  description: Algbra Labs' first-party Partner Banking (Banking-as-a-Service) API for B2B partners, covering customer onboarding
    and compliance checks, primary and virtual accounts, card issuing, internal/inbound/outbound and automated payments, counterparty
    validation, transactions, activity feeds, investments and webhooks. Secured with API keys, mTLS and payload signing over
    IP-whitelisted hosts (Shared/Isolated Tenancy or Standalone deployment).
  humanURL: https://developer.algbralabs.com/partner-banking/introduction
  baseURL: https://horizon-link.algbralabs.com
  tags:
  - Banking as a Service
  - Payments
  - Accounts
  properties:
  - type: Documentation
    url: https://developer.algbralabs.com/partner-banking/introduction
  - type: Documentation
    url: https://developer.algbralabs.com/partner-banking/getting-started
  - type: Authentication
    url: https://developer.algbralabs.com/partner-banking/getting-started/authentication
  - type: Documentation
    url: https://developer.algbralabs.com/partner-banking/getting-started/api-hosts
  - type: Documentation
    url: https://developer.algbralabs.com/partner-banking/concepts/webhooks
  - type: Webhooks
    url: asyncapi/algbra-partner-banking-webhooks.yml
common:
- type: AgenticAccess
  url: agentic-access/algbra-agentic-access.yml
- type: DomainSecurity
  url: security/algbra-domain-security.yml
- type: OAuthScopes
  url: scopes/algbra-scopes.yml
- type: Authentication
  url: authentication/algbra-authentication.yml
- type: Conventions
  url: conventions/algbra-conventions.yml
- type: Idempotency
  url: conventions/algbra-conventions.yml
- type: Conformance
  url: conformance/algbra-conformance.yml
- type: ErrorCatalog
  url: errors/algbra-problem-types.yml
- type: Lifecycle
  url: lifecycle/algbra-lifecycle.yml
- type: DataModel
  url: data-model/algbra-data-model.yml
- type: Sandbox
  url: sandbox/algbra-sandbox.yml
- type: Overlay
  url: overlays/algbra-account-transaction-api-overlay.yaml
- type: LLMsTxt
  url: llms/algbra-llms.txt
- type: AgentSkill
  url: skills/_index.yml
- type: Arazzo
  name: Algbra OBIE account-access and read
  url: arazzo/algbra-account-access-flow.yml
- type: Security
  url: https://www.algbra.com/responsible-disclosure/
- type: GettingStarted
  url: https://developer.algbralabs.com/partner-banking/getting-started
- type: Website
  url: https://www.algbra.com/
- type: DeveloperPortal
  url: https://developer.algbralabs.com/home
- type: Documentation
  url: https://developer.algbralabs.com/open-banking-uk/introduction
- type: SignUp
  url: https://developer.algbralabs.com/partner-banking/getting-started/partner-onboarding
- type: Blog
  url: https://www.algbra.com/news/category/blog/
- type: Pricing
  url: https://www.algbra.com/fees-and-charges/
- type: TermsOfService
  url: https://www.algbra.com/terms-and-conditions/
- type: PrivacyPolicy
  url: https://www.algbra.com/privacy-policy/
- type: Support
  url: https://www.algbra.com/help/
- type: VulnerabilityDisclosure
  url: https://www.algbra.com/responsible-disclosure/
- type: LinkedIn
  url: https://algbra.com/socials/linkedin
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com