# Starstock

**Canonical:** https://apis.io/providers/starstock/  
**APIs profiled:** 0

Starstock was a sports-card and collectibles trading marketplace surfaced as an a16z portfolio lead. As of the 2026-07-21 enrichment pass, starstock.com 301-redirects to collectiblexchange.com — a Brandon Steiner-founded Shopify-based marketplace for autographed memorabilia, game-used equipment, and trading cards — which publishes no API, developer portal, developer documentation, SDKs, or public GitHub organization. No API surface exists to enrich.

## Kin Score — 4.1 / 100 (minimal)

Scored 2026-08-30 under rubric 0.17.2. Trend: flat (+0.0 from 4.1).

| Facet | Score |
|---|---|
| Discoverability | 40.7 |
| Contract Quality | 0.0 |
| Governance | 0.0 |
| Contract Governance | 0.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 0.0 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

## Agent readiness — 0.0 (human-only)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | no |
| Auth Clarity | no |
| 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 |

## Access

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

## Tags

Company

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