# CardVolume

**Canonical:** https://apis.io/providers/cardvolume-com/  
**Website:** https://cardvolume.com/  
**APIs profiled:** 1

CardVolume provides documented sales, graded populations and plain‑language research for trading cards that collectors search for. It tracks every price to a sale, publishes market indexes and record sales for categories such as Pokémon, Magic, Yu‑Gi‑Oh! and sports cards, and shows sources and data timestamps. The service does not display asking prices or averages and marks data as “unknown” when evidence is thin.

## Kin Score — 10.4 / 100 (minimal)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 53.3 |
| Contract Quality | 0.0 |
| Contract Governance | 18.2 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 3.6 |
| Access Clarity | 15.8 |

Regulatory layer — **Securities & Market Data**: 13.9 (matched via tags).

## Agent readiness — 8.8 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | no |
| Agentic Access | derived |
| Reversibility Documented | no |
| MCP Server | documented |
| Auth Clarity | no |
| Idempotency | no |
| Error Semantics | derived |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | no |
| Well Known Catalog | yes |
| 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)

- **CardVolume API** — Read‑only public data API for verified trading‑card sales.

## MCP servers (1)

- **CardVolume MCP Server** — Remote MCP server at cardvolume.com.

## Agentic access (1)

- **Cardvolume Com Agentic Access** — 5 operations

## Security (1)

- **Cardvolume Com Domain Security** — TLSv1.3 · DMARC

## Tags

CardVolume, Trading Cards, Collectibles, Market Data

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