# Stacks

**Canonical:** https://apis.io/providers/blockstack-org/  
**Website:** https://www.blockstack.org  
**APIs profiled:** 3

Stacks is a company surfaced via the API Evangelist harvest backlog (source: vc-portfolio; backed by union-square-ventures) and added to the network as a stub for full-pipeline profiling.

## Kin Score — 29.9 / 100 (thin)

Scored 2026-10-31 under rubric 0.25.0.

| Facet | Score |
|---|---|
| Discoverability | 62.5 |
| Contract Quality | 25.1 |
| Contract Governance | 19.7 |
| Operational Transparency | 36.8 |
| Developer Ergonomics | 50.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Horizontal (data, software, accessibility, platform)**: 16.7 (matched via fallback).

## Agent readiness — 15.1 (agent-aware)

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

## APIs (3)

- **Stacks api API** — Stacks api API as documented publicly: 28 operations. Contract generated from the documentation by API Evangelist (2026-10-24); not the provider's own document.
- **Stacks core API** — Stacks core API as documented publicly: 7 operations. Contract generated from the documentation by API Evangelist (2026-10-24); not the provider's own document.
- **Stacks stacks.js API** — Stacks stacks.js API as documented publicly: 3 operations. Contract generated from the documentation by API Evangelist (2026-10-24); not the provider's own document.

## Security (2)

- **Blockstack Org Authentication** — 1 scheme
- **Blockstack Org Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Bitcoin Staking, Self‑Custodial, DeFi, Smart Contracts, Layer‑2, Institutional Crypto

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