# Filament API

**Canonical:** https://apis.io/apis/filament/filament-api/  
**Provider:** Filament — https://apis.io/providers/filament/  
**Base URL:** https://orderbook.filament.finance/sei  
**Documentation:** https://docs.filament.finance/market-makers/filament-api

Filament API is published by [Filament](https://apis.io/providers/filament/) on the [APIs.io](https://apis.io/) network, described by an AsyncAPI event-driven specification. Tagged areas include Perpetuals, Trading, Order Book, and Derivatives. The published artifact set on APIs.io includes authentication docs and an AsyncAPI specification.

Signature-authenticated REST + WebSocket order-book API for the Filament perpetual DEX on Sei. Place limit/market orders, cancel orders, manage isolated collateral, set TP/SL, read tradable assets with mark/spot/funding, and stream order-book state and order updates over WebSocket. Orders are authenticated by signing the order id with an ethers.js wallet (no API keys).

## Machine-readable artifacts (8)

- **Authentication** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/authentication/filament-authentication.yml
- **Conventions** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/conventions/filament-conventions.yml
- **MCPServer** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/mcp/filament-mcp.yml
- **AsyncAPI** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/asyncapi/filament-orderbook-asyncapi.yml
- **Lifecycle** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/lifecycle/filament-lifecycle.yml
- **DataModel** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/data-model/filament-data-model.yml
- **AgentSkill** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/skills/_index.yml
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/filament/refs/heads/main/apis.yml

## Tags

Perpetuals, Trading, Order Book, Derivatives

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/filament/filament-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/filament/.