# Overlay Protocol

> Overlay is a decentralized perpetual-futures protocol on BNB Smart Chain (chain id 56) for trading emerging, pre-CEX, and narrative-driven assets. It offers permissionless market creation with zero liquidity requirements against any verifiable data feed, using a dynamic risk engine. This profile catalogs Overlay's public market-data API, SDK, and agent skill for the API Evangelist network.

## APIs

- [Overlay Market Data API](https://docs.overlay.market/api/aggregator-market-data): Public, unauthenticated REST feed — aggregator contracts, contract specs, market catalog, and charts price overview. Base URL https://api.overlay.market
- [Aggregator contracts](https://api.overlay.market/data/api/aggregator/contracts): Live market data (price, 24h volume, bid/ask, open interest, funding rate) for all enabled markets.
- [Market catalog](https://api.overlay.market/data/api/markets): Markets keyed by chain id with metadata and methodology.

## Specs

- [OpenAPI](openapi/overlay-openapi.yml): Overlay Market Data API (searched + live-probed 2026-07-20).
- [Data model](data-model/overlay-data-model.yml): Market / AggregatorContract / ContractSpec / MarketPriceOverview.
- [Conventions](conventions/overlay-conventions.yml): No auth, no pagination, 60s cache.

## Developers

- [Documentation](https://docs.overlay.market/)
- [GitHub](https://github.com/overlay-market): v1-core, overlay-sdk, v1-subgraph, agent-skill, overlay-docs.
- [TypeScript SDK](https://github.com/overlay-market/overlay-sdk): OverlaySDK.
- [Agent Skill](https://github.com/overlay-market/agent-skill): trade perpetuals on BSC (skills/overlay-market.md).
- [App](https://app.overlay.market)
- [Whitepaper](https://redrct.overlay.market/whitepaper)

## Community

- [Twitter](https://twitter.com/OverlayProtocol)
- [Discord](https://redrct.overlay.market/discord)
- [Telegram](https://t.me/overlay_protocol)