# Transpose

**Canonical:** https://apis.io/providers/transpose/  
**Website:** https://app.transpose.io  
**APIs profiled:** 6

Historical blockchain data REST API providing access to transaction history, token transfers, NFT metadata, smart contract events, DEX swaps, and price data across Ethereum and other EVM-compatible chains. Offers five enterprise-grade REST APIs plus a SQL Analytics API for querying indexed blockchain data across Ethereum, Polygon, Optimism, Base, Arbitrum, Avalanche, BSC, Bitcoin, and Tron.

## Kin Score — 44.1 / 100 (developing)

Scored 2026-08-25 under rubric 0.14.0. Trend: flat (+0.0 from 44.1).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 62.9 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 31.6 |
| Developer Ergonomics | 44.0 |
| Commercial Clarity | 34.2 |
| Access Clarity | 34.2 |

## Agent readiness — 30.6 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | bearer |
| Idempotency | no |
| Error Semantics | verified |
| OpenAPI Examples | verified |
| Rate Limit Signal | documented |
| 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 |

## Access

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

## APIs (6)

- **Transpose Block API API** — Low-level blockchain primitives including accounts, blocks, transactions, logs, and traces across EVM chains.
- **Transpose ENS API API** — Ethereum Name Service records and transfer history.
- **Transpose NFT API API** — NFT collections, ownership, sales, and transfers for ERC-721 and ERC-1155 tokens.
- **Transpose SQL Analytics API API** — Custom SQL query interface against Transpose's entire indexed blockchain dataset.
- **Transpose Token API API** — ERC-20, ERC-777, and native token balances, transfers, and DEX swaps.
- **Transpose Token Prices API API** — Real-time and historical OHLC price data for any token including LP tokens.

## Agentic access (1)

- **Transpose Agentic Access** — 21 operations · 1 acting

## Security (3)

- **Transpose Authentication** — apiKey · 1 scheme
- **Transpose Domain Security** — TLSv1.3 · HSTS · DNSSEC
- **Transpose Vulnerability Disclosure** — disclosure policy published

## Plans (1)

- **Plans**

## Tags

Blockchain, NFT, Cryptocurrency, Web3, Ethereum, Token Transfers, Smart Contracts, Historical Data, DeFi, DEX

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