Blockchain.com is a cryptocurrency financial services company that operates the Blockchain.com Explorer (one of the longest-running Bitcoin block explorers), a self-custody and custodial wallet, an institutional spot exchange, and Blockchain.com Pay, an embeddable fiat-to-crypto on-ramp and off-ramp for partners. Its public API surface spans the Exchange REST API (market data, trading, deposits and withdrawals, authenticated with an X-API-Token header), a FIX-named WebSocket trading and market-data gateway, the Pay Partner API (eligibility, quotes and orders, authenticated with public and private API key headers plus order webhooks), the free Blockchain Data, Simple Query, Exchange Rates and Charts & Statistics APIs on blockchain.info, a real-time blockchain WebSocket notification stream, an NFT Market API, and the open-source Wallet API service (service-my-wallet-v3) with first-party client libraries for Python, Node.js, Ruby, PHP and Java.
Blockchain.com publishes 3 APIs on the APIs.io network: Exchange REST API, Pay Partner API, and NFT Market API. Tagged areas include cryptocurrency, bitcoin, blockchain, exchange, and trading.
The Blockchain.com catalog on APIs.io includes 1 event-driven AsyncAPI specification.
Blockchain.com’s developer surface includes authentication, documentation, API reference, getting-started guide, engineering blog, pricing, signup flow, and 27 more developer resources.
REST API for the Blockchain.com Exchange covering unauthenticated market data (L2/L3 order books, tickers, symbols) and authenticated trading (orders, fills, fees) and payments ...
Partner API behind Blockchain.com Pay, the embeddable fiat-to-crypto on-ramp. Provides eligibility data (currencies, regions, payment methods), real-time buy quotes and order lo...
Free JSON API over the Blockchain.com Explorer data set — single blocks, transactions, addresses, unspent outputs, block height and latest block queries for Bitcoin.
Plain-text query API returning single values for blockchain statistics such as block count, difficulty, hash rate, total bitcoins in circulation, market cap and address balances.
Low-latency streaming socket channel providing notifications on new bitcoin blocks, unconfirmed transactions and watched addresses via the unconfirmed_sub, blocks_sub and addr_s...
Public backend service for NFT market data, returning NFT assets owned by an address and individual asset lookups by network, contract address and token id. Publishes a Swagger ...
OAuth 2.0 resource gateway that lets a third-party app read a consenting user's Blockchain.com custodial wallet data. Two endpoints are documented — transaction history (scope r...
Open-source Wallet API service (service-my-wallet-v3) that runs locally and exposes HTTP endpoints for creating wallets, sending payments, and checking balances against Blockcha...
aid: blockchain.com
name: Blockchain.com
description: Blockchain.com is a cryptocurrency financial services company that operates the Blockchain.com Explorer (one
of the longest-running Bitcoin block explorers), a self-custody and custodial wallet, an institutional spot exchange, and
Blockchain.com Pay, an embeddable fiat-to-crypto on-ramp and off-ramp for partners. Its public API surface spans the Exchange
REST API (market data, trading, deposits and withdrawals, authenticated with an X-API-Token header), a FIX-named WebSocket
trading and market-data gateway, the Pay Partner API (eligibility, quotes and orders, authenticated with public and private
API key headers plus order webhooks), the free Blockchain Data, Simple Query, Exchange Rates and Charts & Statistics APIs
on blockchain.info, a real-time blockchain WebSocket notification stream, an NFT Market API, and the open-source Wallet
API service (service-my-wallet-v3) with first-party client libraries for Python, Node.js, Ruby, PHP and Java.
image: https://www.blockchain.com/static/apple-touch-icon.png
url: https://raw.githubusercontent.com/api-evangelist/blockchain.com/refs/heads/main/apis.yml
x-type: company
x-source: harvest:secondary-market
specificationVersion: '0.21'
created: '2026-08-02'
modified: '2026-08-02'
tags:
- cryptocurrency
- bitcoin
- blockchain
- exchange
- trading
- market-data
- payments
- on-ramp
- wallet
- block-explorer
- fintech
- webhooks
maintainers:
- FN: Kin Lane
email: kin@apievangelist.com
- FN: APIs.json
email: info@apis.io
apis:
- name: Blockchain.com Exchange REST API
description: REST API for the Blockchain.com Exchange covering unauthenticated market data (L2/L3 order books, tickers,
symbols) and authenticated trading (orders, fills, fees) and payments (accounts, deposits, withdrawals, whitelist). Authenticated
with an X-API-Token header.
humanURL: https://api.blockchain.com/v3/
baseURL: https://api.blockchain.com/v3/exchange
tags:
- cryptocurrency
- exchange
- trading
- market-data
properties:
- type: OpenAPI
url: openapi/blockchain.com-exchange-openapi.yml
- type: Documentation
url: https://api.blockchain.com/v3/
- type: APIReference
url: https://api.blockchain.com/v3/
- type: SourceCode
url: https://github.com/blockchain/lib-exchange-client
- type: Overlay
url: overlays/blockchain.com-exchange-overlay.yaml
- type: ErrorCatalog
url: errors/blockchain.com-problem-types.yml
- type: DataModel
url: data-model/blockchain.com-data-model.yml
- name: Blockchain.com Exchange WebSocket API
description: Real-time WebSocket gateway for the Blockchain.com Exchange. Anonymous channels stream heartbeat, L2/L3 order
books, prices, symbols, ticker and trades; authenticated channels cover auth, balances and FIX 4.2-named trading messages
(NewOrderSingle, CancelOrderRequest, OrderMassCancelRequest, OrderMassStatusRequest).
humanURL: https://exchange.blockchain.com/api/
baseURL: wss://ws.blockchain.info/mercury-gateway/v1/ws
tags:
- cryptocurrency
- exchange
- trading
- streaming
- websocket
properties:
- type: Documentation
url: https://exchange.blockchain.com/api/
- type: SourceCode
url: https://github.com/blockchain/docs-exchange-api
- type: Webhooks
url: asyncapi/blockchain.com-event-surface.yml
- name: Blockchain.com Pay Partner API
description: Partner API behind Blockchain.com Pay, the embeddable fiat-to-crypto on-ramp. Provides eligibility data (currencies,
regions, payment methods), real-time buy quotes and order lookup, authenticated with X-Public-API-Key and, for order endpoints,
X-Private-API-Key. Order state changes are delivered by webhook.
humanURL: https://docs.blockchain.com/pay/api
baseURL: https://api.blockchain.info/partner-gateway/partner-api
tags:
- payments
- on-ramp
- cryptocurrency
- webhooks
properties:
- type: OpenAPI
url: openapi/blockchain.com-pay-partner-api-openapi.yml
- type: Documentation
url: https://docs.blockchain.com/pay/api
- type: APIReference
url: https://docs.blockchain.com/pay/api/partner-api.md
- type: GettingStarted
url: https://docs.blockchain.com/pay/getting-started
- type: Authentication
url: https://docs.blockchain.com/pay/api/partner-api/authentication
- type: RateLimits
url: rate-limits/blockchain.com-rate-limits.yml
- type: Webhooks
url: asyncapi/blockchain.com-event-surface.yml
- type: JSONSchema
url: json-schema/blockchain.com-pay-webhook-event.json
- type: Overlay
url: overlays/blockchain.com-pay-partner-api-overlay.yaml
- name: Blockchain Data API
description: Free JSON API over the Blockchain.com Explorer data set — single blocks, transactions, addresses, unspent outputs,
block height and latest block queries for Bitcoin.
humanURL: https://www.blockchain.com/explorer/api/blockchain_api
baseURL: https://blockchain.info
tags:
- bitcoin
- blockchain
- block-explorer
- market-data
properties:
- type: Documentation
url: https://www.blockchain.com/explorer/api/blockchain_api
- name: Blockchain.com Simple Query API
description: Plain-text query API returning single values for blockchain statistics such as block count, difficulty, hash
rate, total bitcoins in circulation, market cap and address balances.
humanURL: https://www.blockchain.com/explorer/api/q
baseURL: https://blockchain.info/q
tags:
- bitcoin
- blockchain
- block-explorer
properties:
- type: Documentation
url: https://www.blockchain.com/explorer/api/q
- name: Blockchain.com Exchange Rates API
description: Ticker and currency-conversion API returning bitcoin exchange rates across major fiat currencies, aggregated
from the major exchanges.
humanURL: https://www.blockchain.com/explorer/api/exchange_rates_api
baseURL: https://blockchain.info/ticker
tags:
- market-data
- cryptocurrency
- bitcoin
properties:
- type: Documentation
url: https://www.blockchain.com/explorer/api/exchange_rates_api
- name: Blockchain.com Charts and Statistics API
description: JSON/CSV feed behind the Blockchain.com charts and stats pages — per-chart time series, network statistics,
and mining pool distribution.
humanURL: https://www.blockchain.com/explorer/api/charts_api
baseURL: https://api.blockchain.info/charts
tags:
- market-data
- blockchain
- bitcoin
- statistics
properties:
- type: Documentation
url: https://www.blockchain.com/explorer/api/charts_api
- name: Blockchain.com Explorer WebSocket API
description: Low-latency streaming socket channel providing notifications on new bitcoin blocks, unconfirmed transactions
and watched addresses via the unconfirmed_sub, blocks_sub and addr_sub subscription operations.
humanURL: https://www.blockchain.com/explorer/api/api_websocket
baseURL: wss://ws.blockchain.info/inv
tags:
- bitcoin
- blockchain
- streaming
- websocket
properties:
- type: Documentation
url: https://www.blockchain.com/explorer/api/api_websocket
- type: Webhooks
url: asyncapi/blockchain.com-event-surface.yml
- name: Blockchain.com NFT Market API
description: Public backend service for NFT market data, returning NFT assets owned by an address and individual asset lookups
by network, contract address and token id. Publishes a Swagger 2.0 definition at its documentation endpoint.
humanURL: https://api.blockchain.com/nft-market-api/documentation/
baseURL: https://api.blockchain.com/nft-market-api
tags:
- nft
- blockchain
- market-data
properties:
- type: Swagger
url: openapi/blockchain.com-nft-market-api-swagger.json
- type: Documentation
url: https://api.blockchain.com/nft-market-api/documentation/
- name: Blockchain.com OAuth Resources API
description: OAuth 2.0 resource gateway that lets a third-party app read a consenting user's Blockchain.com custodial wallet
data. Two endpoints are documented — transaction history (scope read_transactions, up to 30 days) and balances (scope
read_balance) — accessed with a bearer access token.
humanURL: https://docs.blockchain.com/oauth-resources
baseURL: https://api.blockchain.info/partner-resource-gateway
tags:
- oauth
- wallet
- cryptocurrency
- fintech
properties:
- type: Documentation
url: https://docs.blockchain.com/oauth-resources
- type: OAuthScopes
url: scopes/blockchain.com-scopes.yml
- type: Authentication
url: authentication/blockchain.com-authentication.yml
- name: Blockchain.com Wallet API
description: Open-source Wallet API service (service-my-wallet-v3) that runs locally and exposes HTTP endpoints for creating
wallets, sending payments, and checking balances against Blockchain.com wallets, plus the Receive Payments V2 API for
generating per-invoice receive addresses.
humanURL: https://github.com/blockchain/service-my-wallet-v3
baseURL: https://api.blockchain.info/v2
tags:
- wallet
- payments
- bitcoin
properties:
- type: SourceCode
url: https://github.com/blockchain/service-my-wallet-v3
- type: Documentation
url: https://github.com/blockchain/service-my-wallet-v3/blob/master/README.md
common:
- type: Packages
url: packages/blockchain.com-packages.yml
- type: SDKs
url: packages/blockchain.com-packages.yml
- type: WellKnown
url: well-known/blockchain.com-well-known.yml
- type: SecurityTxt
url: well-known/blockchain.com-security.txt
- type: Conventions
url: conventions/blockchain.com-conventions.yml
- type: Lifecycle
url: lifecycle/blockchain.com-lifecycle.yml
- type: Conformance
url: conformance/blockchain.com-conformance.yml
- type: Compliance
url: https://www.blockchain.com/legal/licenses
- type: ErrorCatalog
url: errors/blockchain.com-problem-types.yml
- type: DataModel
url: data-model/blockchain.com-data-model.yml
- type: OAuthScopes
url: scopes/blockchain.com-scopes.yml
- type: Components
url: components/blockchain.com-components.yml
- type: RateLimits
url: rate-limits/blockchain.com-rate-limits.yml
- type: Webhooks
url: asyncapi/blockchain.com-event-surface.yml
- type: AgentSkill
url: skills/_index.yml
- type: AgenticAccess
url: agentic-access/blockchain.com-agentic-access.yml
- type: VulnerabilityDisclosure
url: security/blockchain.com-vulnerability-disclosure.yml
- type: DomainSecurity
url: security/blockchain.com-domain-security.yml
- type: Authentication
url: authentication/blockchain.com-authentication.yml
- type: Website
url: https://www.blockchain.com/
- type: DeveloperPortal
url: https://www.blockchain.com/explorer/api
- type: Documentation
url: https://docs.blockchain.com/
- type: APIReference
url: https://api.blockchain.com/v3/
- type: GettingStarted
url: https://docs.blockchain.com/pay/getting-started
- type: Blog
url: https://www.blockchain.com/blog
- type: GitHubOrganization
url: https://github.com/blockchain
- type: Pricing
url: https://www.blockchain.com/prices
- type: SignUp
url: https://login.blockchain.com/signup
- type: TermsOfService
url: https://www.blockchain.com/legal/terms
- type: PrivacyPolicy
url: https://www.blockchain.com/legal/privacy
- type: Support
url: https://support.blockchain.com/
- type: StatusPage
url: https://status.blockchain.com/
- type: Security
url: https://www.blockchain.com/.well-known/security.txt
- type: LLMsTxt
url: llms/blockchain.com-llms.txt
x-enrichment:
date: '2026-08-02'
status: enriched
artifacts_added: 30
pass: local-v1
ⓘWhere this information came from
This is an independent, third-party profile of Blockchain.com, published by
API Evangelist. We do not operate, host, resell, or
support these APIs, and we are not affiliated with or endorsed by the company unless stated above.
Everything here is built from publicly available information — the company's own site,
developer portal, documentation, public repositories, and the specifications it publishes for public use.
Nothing is obtained by breaching a system, defeating an access control, or using credentials.
The Kin Score and Agent Readiness rating are independently calculated assessments of a company's
public API artifacts, scored against a published rubric. They are not certifications,
endorsements, security assessments, or audits.
Corrections, re-scores, and removal are free — no partnership or purchase required, and
you do not need to justify the request. A removed company is recorded as unrated, never scored
zero for having asked. Acknowledgement within one business day; removal within two.
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