# block402-xyz

**Canonical:** https://apis.io/providers/block402-xyz/  
**Website:** https://block402.xyz/  
**APIs profiled:** 1

Block402 offers a pay‑per‑request API that provides read‑only blockchain intelligence for AI agents. It supplies Ethereum and Bitcoin mainnet data, including balances, blocks, transactions, receipts, logs and proofs, accessed via JSON‑RPC calls. Payments are made in USDC on Base mainnet using the x402 protocol, with no subscription or credit‑card requirement.

## Kin Score — 22.5 / 100 (emerging)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 62.5 |
| Contract Quality | 49.6 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 9.5 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 10.8 (matched via fallback).

## Agent readiness — 27.0 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| Idempotency | verified |
| Error Semantics | derived |
| OpenAPI Examples | verified |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | no |
| Delegated Identity | no |
| Protected Resource Metadata | no |
| Dynamic Client Registration | no |
| Agentic Commerce | no |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

Unknown — onboarding: unknown, pricing: unknown, trial: no (confidence: low).

## APIs (1)

- **block402-xyz Bitcoin API** — The Bitcoin API from block402-xyz — 1 operation(s) for bitcoin.

## Agentic access (1)

- **Block402 Xyz Agentic Access** — 1 operation · 1 acting

## Security (1)

- **Block402 Xyz Domain Security** — TLSv1.3

## Tags

Blockchain, AI Agents, Ethereum, Bitcoin, Pay‑per‑request, USDC, x402

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/providers/block402-xyz/). Scores are computed from the provider's own public artifacts under a published rubric.