# Blockchain.com

**Canonical:** https://apis.io/providers/blockchain/  
**Website:** https://www.blockchain.com/api  
**APIs profiled:** 12

Bitcoin block explorer data, network statistics, market data, the Blockchain.com Exchange (REST + WebSocket) trading platform, and the Pay Partner API for crypto purchases.

## Kin Score — 35.9 / 100 (thin)

Scored 2026-08-21 under rubric 0.12.0. Trend: flat (+0.0 from 35.9).

| Facet | Score |
|---|---|
| Discoverability | 72.2 |
| Contract Quality | 27.9 |
| Governance | 28.8 |
| Contract Governance | 28.8 |
| Operational Transparency | 34.2 |
| Developer Ergonomics | 11.9 |
| Commercial Clarity | 50.0 |
| Access Clarity | 50.0 |

Regulatory layer — **Payments**: 42.2 (matched via tags).

## Agent readiness — 33.3 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| OpenAPI Examples | partial |
| Rate Limit Signal | documented |
| Event Surface Described | derived |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |

## Access

Freemium · Self-serve signup — onboarding: self-serve, pricing: freemium, trial: no (confidence: high).

## APIs (12)

- **Blockchain.com WebSocket APIs** — Real-time WebSocket APIs covering two distinct surfaces — the Bitcoin / blockchain.info explorer socket (unconfirmed transactions, new blocks, per-address activity) and the Bloc...
- **Blockchain.com Pay Partner API** — Partner API for embedding Blockchain.com crypto purchases. Covers authentication, eligibility (supported currencies / regions), quotes (pricing for crypto transactions), and ord...
- **Blockchain.com Addresses API** — Bitcoin address summaries and unspent outputs.
- **Blockchain.com Blocks API** — Bitcoin block lookups and the latest block.
- **Blockchain.com Charts API** — Historical time-series datasets for Bitcoin network metrics.
- **Blockchain.com Market Data API** — Bitcoin exchange rates and fiat conversion.
- **Blockchain.com Network API** — Simple network metrics — difficulty, block height, supply, ETA, averages.
- **Blockchain.com Payments API** — Authenticated account balances, deposits, withdrawals, beneficiaries.
- **Blockchain.com Pools API** — Mining pool distribution.
- **Blockchain.com Stats API** — Real-time blockchain statistics.
- **Blockchain.com Trading API** — Authenticated order management and trade history.
- **Blockchain.com Transactions API** — Bitcoin transaction lookups.

## Agentic access (1)

- **Blockchain Agentic Access** — 49 operations · 5 acting

## Security (3)

- **Blockchain Authentication** — apiKey · 1 scheme
- **Blockchain Domain Security** — TLSv1.3 · HSTS · DNSSEC · DMARC
- **Blockchain Vulnerability Disclosure** — Hackerone · security.txt · contact published

## Plans (1)

- **Blockchain Plans Pricing**

## Tags

Cryptocurrency, Bitcoin, Blockchain Data, Exchange, Market Data, Trading, Payments, Public APIs

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/blockchain/). Scores are computed from the provider's own public artifacts under a published rubric.