Blockchain, Crypto & Web3 in United Kingdom & Ireland

15 blockchain, crypto & web3 providers across United Kingdom & Ireland, publishing 17 APIs.

15 providers 17 published APIs 29 indexed documents

Blockchain, Crypto & Web3 across United Kingdom & Ireland — 15 providers on the APIs.io network sit in both cohorts, and between them they publish 17 indexed APIs.

7 of the 15 publish at least one machine-readable API; 8 publish nothing indexed at all. That split is the first thing worth reading here — a vertical can be well represented in a market and still have almost no programmable surface.

By Kin Score band: 5 developing, 4 emerging, 4 minimal, 1 exemplar, and 1 thin.

Leading by rating: AlgoVoi, Trust Payments, Ramp Network, Cardstream, Finage, BitFury, and 9 more.

Region membership is derived from three explicit signals — a provider tag, a provider-name pattern, or a stated headquarters in the provider’s own description. This is a map of stated headquarters, not of markets served.

Providers (15)

Provider Description APIs Rating
AlgoVoi AlgoVoi (AlgoVoi Ltd, UK; founder Christopher Hopley) builds compliance-aware, offline-verifiable payment and evidence infrastructure for AI agents across twelve mainnet chains,... 5 exemplar
Trust Payments Trust Payments is a London-headquartered payment gateway and processor (formerly Secure Trading / SecureTrading) operating across the United Kingdom, Europe, and the United Stat... 2 developing
Ramp Network Ramp Network (Ramp Swaps Ltd) is a London-headquartered fiat-to-crypto on-ramp and off-ramp provider that lets wallets, dApps, exchanges and consumer apps embed crypto purchase,... 2 developing
Cardstream Cardstream is an independent United Kingdom payment gateway providing a white-label payment platform that banks, PSPs, ISOs, acquirers and software companies resell under their ... 4 developing
Finage Finage is a London-based real-time and historical market data provider covering US and global stocks, forex, cryptocurrencies, CFD indices, ETFs, bonds, and company fundamentals... 1 developing
BitFury Bitfury Group is a blockchain technology company founded in 2011 as one of the earliest Bitcoin mining hardware makers and full-cycle infrastructure providers, and now operating... 1 developing
Thought Machine Thought Machine is a London-headquartered cloud-native core banking technology company founded in 2014 by Paul Taylor, with offices in New York and Singapore. It builds Vault Co... 2 thin
Globacap Globacap is a London-based private capital markets technology company, founded in 2017, that builds workflow-automation software-as-a-service for issuance, share register manage... 0 emerging
Tranched Tranched is a London-based fintech building an embedded, on-chain securitisation platform that connects fintech lenders and loan originators directly to professional investors. ... 0 emerging
Eunice Eunice is a London-based AI fintech building institutional-grade due diligence and monitoring infrastructure for digital assets and private markets. Its platform automates token... 0 emerging
Improbable Improbable (Improbable Worlds Ltd) is a London-based technology company and venture builder. Founded in 2012, it originally built SpatialOS, a distributed simulation and network... 0 emerging
Calastone Calastone operates the world's largest global funds network, connecting asset managers, distributors, custodians and platforms to automate and digitalize the investment funds ma... 0 minimal
Chipper Cash Chipper Cash is a pan-African fintech (legal entities Critical Ideas, Inc. and Voyse Technologies US, Inc.) operating a mobile-first cross-border money transfer, digital payment... 0 minimal
Fnality International Fnality International is a London-headquartered financial market infrastructure company that builds and operates distributed-ledger wholesale payment systems settling in tokenis... 0 minimal
AID:Tech AID:Tech is a Dublin-based payments and digital-identity infrastructure company that bridges Web2 and Web3, delivering self-sovereign decentralized identity (DID), KYC/AML verif... 0 minimal

Indexed API documents (29)

Two numbers, both real: these providers publish 17 APIs as their own documents, which the catalog indexes split one-per-resource into 29 documents.

AlgoVoi Pay (Payable Core) API

Tenant-free, pay-per-call verification rail (OpenAPI 3.1.0 "AlgoVoi Payable Core" 1.0.0, 17 operations). No account and no API key: each ...

AlgoVoi Gateway API

The multi-tenant payment gateway (OpenAPI 3.1.0 "AlgoVoi Gateway" 1.0.0-phase1c, 115 operations, 99 schemas) at api.algovoi.co.uk: hosted...

AlgoVoi RFC 9421 Clinic (Verifiable-Comms Agent) API

Free, anonymous, verify-only service at agents.algovoi.co.uk (OpenAPI 3.1.0 "AlgoVoi Verifiable-Comms Agent" 0.1.0, 9 operations): verify...

AlgoVoi Agent Trust Bench API

Open, provider-neutral x402 research surface (OpenAPI 3.1.0 "AlgoVoi Agent Trust Bench" 0.1.0, 7 operations, servers[] https://agent-trus...

AlgoVoi Audit Verifier API

Stateless reference verifier for AlgoVoi selective-disclosure audit bundles at verify.algovoi.co.uk (OpenAPI 3.1.0 "AlgoVoi Audit Verifie...

AlgoVoi MCP Server

Model Context Protocol access to AlgoVoi three ways. A hosted anonymous Streamable HTTP endpoint at https://agents.algovoi.co.uk/mcp (alg...

Trust Payments Webservices API

Server-to-server JSON API (the Secure Trading Payment Platform / STPP) for card processing and management on the TRU Connect gateway. Sup...

Trust Payments Payouts API

Payout / disbursement capability exposed through the Webservices API, used to send funds out (for example refunds beyond original transac...

Ramp Network Host API

Public REST API used alongside the Ramp Instant widget. Exposes available on-ramp assets and prices, off-ramp assets and prices, supporte...

Ramp Instant SDK and Widget

Client-side integration surface for Ramp Network. The Ramp Instant SDK renders the Ramp widget in overlay, embedded, hosted, mobile or au...

Cardstream Gateway - Hosted Integration

Hosted Payment Pages (HPP) integration. The merchant's browser POSTs a URL-encoded request to the Gateway, which collects and processes t...

Cardstream Gateway - Direct Integration

Server-to-server integration. The merchant collects payment details on its own secure server and sends a URL-encoded HTTP POST directly t...

Cardstream Gateway - Batch Integration

An enhancement to the Direct Integration that submits multiple transactions in a single multipart/mixed HTTP POST. The Gateway queues the...

Cardstream Hosted Payment Fields

A client-side library where only the individual input fields that collect sensitive cardholder data are hosted by the Gateway while the r...

Finage WebSocket Market Data Stream

Real-time streaming trades and quotes for US stocks, global stocks, forex, crypto, CFD indices, and ETFs over per-customer WebSocket URLs...

Finage Bonds API

The Bonds API from Finage — 1 operation(s) for bonds.

Finage Canadian Stocks API

The Canadian Stocks API from Finage — 2 operation(s) for canadian stocks.

Finage Crypto API

The Crypto API from Finage — 6 operation(s) for crypto.

Finage Forex API

The Forex API from Finage — 6 operation(s) for forex.

Finage Fundamentals API

The Fundamentals API from Finage — 40 operation(s) for fundamentals.

Finage Indian Stocks API

The Indian Stocks API from Finage — 2 operation(s) for indian stocks.

Finage Indices API

The Indices API from Finage — 3 operation(s) for indices.

Finage Russian Stocks API

The Russian Stocks API from Finage — 2 operation(s) for russian stocks.

Finage UK Stocks API

The UK Stocks API from Finage — 2 operation(s) for uk stocks.

Finage US Stocks API

The US Stocks API from Finage — 5 operation(s) for us stocks.

Finage ET Fs API

The ETFs API from Finage — 3 operation(s) for etfs.

Exonum Node HTTP API

The HTTP surface an Exonum node serves. The explorer service exposes REST endpoints under /api/explorer (blocks, block, transactions, cal...

Thought Machine Vault Core API

Vault Core is Thought Machine's cloud-native core banking engine. Its API surface spans a REST Core API for external integrations (channe...

Thought Machine Vault Payments API

Vault Payments is Thought Machine's cloud-native payments processing platform, able to run card, instant, batch clearing and cross-border...

Other industries in United Kingdom & Ireland

Artificial Intelligence 107 Payments & Money Movement 106 Financial Technology 105 Financial Services 90 Banking & Open Banking 87 Data & Analytics 59 Insurance 47 Real Estate 45 Education & EdTech 42 Government & Public Sector 42 Healthcare 41 Digital Health & Telehealth 38 All of United Kingdom & Ireland →

Blockchain, Crypto & Web3 elsewhere

North America 65 Europe 36 Latin America 19 Southeast Asia 11 India & South Asia 9 DACH (Germany · Austria · Switzerland) 8 Japan & Korea 8 France & Iberia 7 Greater China 7 Africa 6 Middle East 5 Australia & New Zealand 3 All of Blockchain, Crypto & Web3 →

This page is the intersection of two independently computed cohorts: United Kingdom & Ireland and Blockchain, Crypto & Web3. A provider appears here only when it is already a member of both. United Kingdom & Ireland membership is matched on tag, name pattern, stated HQ, so this is a floor rather than a census — coverage gaps show up here as small numbers, not as absent pages.

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  • apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
  • resolveTurn a domain, URL or GitHub org into the provider it belongs to.
  • find_cohortsEvery scored population of providers in the catalog.
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