# Overlay

**Canonical:** https://apis.io/providers/overlay/  
**Website:** https://overlay.market  
**APIs profiled:** 3

Overlay is a decentralized perpetual-futures protocol on BNB Smart Chain (chain id 56) that lets anyone trade and permissionlessly create markets for emerging, pre-CEX, and narrative-driven assets against any verifiable data feed. Positions are synthetic — traders trade against a protocol-managed price feed with USDT/stablecoin collateral rather than an order book — with a dynamic risk engine managing thin markets and zero liquidity requirements. Overlay exposes a public, unauthenticated market-data API (aggregator contracts, contract specs, market catalog, charts price overview), a TypeScript SDK, a GraphQL subgraph, and a provider-published Agent Skill for automated trading. Backed by Polychain.

## Kin Score — 33.6 / 100 (thin)

Scored 2026-08-20 under rubric 0.12.0. Trend: flat (+0.0 from 33.6).

| Facet | Score |
|---|---|
| Discoverability | 81.5 |
| Contract Quality | 51.0 |
| Governance | 16.7 |
| Contract Governance | 16.7 |
| Operational Transparency | 2.6 |
| Developer Ergonomics | 57.1 |
| Commercial Clarity | 0.0 |
| Access Clarity | 0.0 |

Regulatory layer — **Securities & Market Data**: 28.3 (matched via tags).

## Agent readiness — 37.8 (agent-ready)

| Dimension | Value |
|---|---|
| Spec Presence | yes |
| Agentic Access | no |
| Reversibility Documented | na |
| MCP Server | no |
| Auth Clarity | yes |
| Idempotency | na |
| Error Semantics | documented |
| OpenAPI Examples | no |
| Rate Limit Signal | no |
| Event Surface Described | no |
| Agent Skills | yes |
| Well Known Catalog | no |
| Consent Identity | no |
| Agent Card | no |
| Dry Run Mode | na |

## Access

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

## APIs (3)

- **Overlay Aggregator API** — CoinGecko/CMC-style aggregator market-data feed.
- **Overlay Charts API** — Price overview and OHLC chart data.
- **Overlay Markets API** — Market catalog and metadata.

## MCP servers (1)

- **Overlay MCP Server**

## Security (2)

- **Overlay Authentication** — none · 1 scheme
- **Overlay Domain Security** — TLSv1.3 · HSTS · DMARC

## Tags

Company, DeFi, Perpetual Futures, Derivatives, Trading, Market Data, BNB Smart Chain, Blockchain, Web3

---

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