# Cardano

**Canonical:** https://apis.io/providers/cardano/  
**APIs profiled:** 21

Cardano is a proof-of-stake blockchain platform designed for secure and scalable decentralized applications and smart contracts. Developer API access to the Cardano network is provided primarily through Blockfrost, a hosted REST API service that exposes over 100 endpoints covering transactions, addresses, assets, blocks, epochs, stake pools, governance, scripts, metadata, and mempool data. Authentication uses project-scoped API keys passed as HTTP headers. Blockfrost operates on Cardano Mainnet, Preview, and Pre-Production testnets, and also supports IPFS storage and the Milkomeda sidechain. SDKs are available for 15+ programming languages.

## Kin Score — 39.2 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 39.2).

| Facet | Score |
|---|---|
| Discoverability | 74.1 |
| Contract Quality | 63.0 |
| Governance | 9.8 |
| Contract Governance | 9.8 |
| Operational Transparency | 31.6 |
| Developer Ergonomics | 14.3 |
| Commercial Clarity | 39.5 |
| Access Clarity | 39.5 |

## Agent readiness — 35.0 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | no |
| Error Semantics | no |
| 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 |

## Access

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

## APIs (21)

- **Blockfrost IPFS API** — Blockfrost also operates as an IPFS provider, enabling developers building on Cardano to pin and retrieve content-addressed files via the InterPlanetary File System. The IPFS AP...
- **Cardano Cardano » Accounts API** — The Cardano » Accounts API from Cardano — 12 operation(s) for cardano » accounts.
- **Cardano Cardano » Addresses API** — The Cardano » Addresses API from Cardano — 7 operation(s) for cardano » addresses.
- **Cardano Cardano » Assets API** — The Cardano » Assets API from Cardano — 7 operation(s) for cardano » assets.
- **Cardano Cardano » Blocks API** — The Cardano » Blocks API from Cardano — 11 operation(s) for cardano » blocks.
- **Cardano Cardano » Epochs API** — The Cardano » Epochs API from Cardano — 10 operation(s) for cardano » epochs.
- **Cardano Cardano » Governance API** — The Cardano » Governance API from Cardano — 20 operation(s) for cardano » governance.
- **Cardano Cardano » Ledger API** — The Cardano » Ledger API from Cardano — 1 operation(s) for cardano » ledger.
- **Cardano Cardano » Mempool API** — The Cardano » Mempool API from Cardano — 3 operation(s) for cardano » mempool.
- **Cardano Cardano » Metadata API** — The Cardano » Metadata API from Cardano — 3 operation(s) for cardano » metadata.
- **Cardano Cardano » Network API** — The Cardano » Network API from Cardano — 2 operation(s) for cardano » network.
- **Cardano Cardano » Pools API** — The Cardano » Pools API from Cardano — 12 operation(s) for cardano » pools.
- **Cardano Cardano » Scripts API** — The Cardano » Scripts API from Cardano — 7 operation(s) for cardano » scripts.
- **Cardano Cardano » Transactions API** — The Cardano » Transactions API from Cardano — 14 operation(s) for cardano » transactions.
- **Cardano Cardano » Utilities API** — The Cardano » Utilities API from Cardano — 3 operation(s) for cardano » utilities.
- **Cardano Health API** — The Health API from Cardano — 3 operation(s) for health.
- **Cardano IPFS » Add API** — The IPFS » Add API from Cardano — 1 operation(s) for ipfs » add.
- **Cardano IPFS » Gateway API** — The IPFS » Gateway API from Cardano — 1 operation(s) for ipfs » gateway.
- **Cardano IPFS » Pins API** — The IPFS » Pins API from Cardano — 4 operation(s) for ipfs » pins.
- **Cardano Metrics API** — The Metrics API from Cardano — 2 operation(s) for metrics.
- **Cardano Nut.link API** — The Nut.link API from Cardano — 4 operation(s) for nut.link.

## Agentic access (1)

- **Cardano Agentic Access** — 127 operations · 6 acting

## Security (2)

- **Cardano Authentication** — apiKey · 1 scheme
- **Cardano Domain Security** — TLSv1.3 · HSTS · DMARC

## Plans (1)

- **Cardano Plans Pricing**

## Tags

Blockchain, Cryptocurrency, Proof of Stake, Smart Contracts, Web3

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