# DepthFeed

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

DepthFeed provides Polymarket and Kalshi historical order‑book data with aligned reference prices, offering REST access, live WebSocket updates, and explicit coverage documentation for prediction‑market depth data.

## Kin Score — 34.7 / 100 (thin)

Scored 2026-11-06 under rubric 0.27.0.

| Facet | Score |
|---|---|
| Discoverability | 60.0 |
| Contract Quality | 26.3 |
| Contract Governance | 22.0 |
| Operational Transparency | 0.0 |
| Developer Ergonomics | 19.0 |
| Access Clarity | 76.3 |

Regulatory layer — **Securities & Market Data**: 23.1 (matched via tags).

## Agent readiness — 16.4 (agent-aware)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | no |
| MCP Server | documented |
| 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 |
| Pagination Ratio | na |
| Operation Distinctiveness | na |
| MCP Tool Quality | na |

## Access

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

## APIs (1)

- **DepthFeed API** — DepthFeed API as documented publicly: 79 operations. Contract generated from the documentation by API Evangelist (2026-11-05); not the provider's own document.

## MCP servers (1)

- **DepthFeed MCP Server** — Remote MCP server at api.depthfeed.com.

## Security (1)

- **Depthfeed Com Domain Security** — TLSv1.3 · HSTS

## Plans (1)

- **Depthfeed Com Plans Pricing**

## Tags

Finance, Data, Market Data, Prediction Markets

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