# Aggr: pricing, API and features

Category: [Trading terminals](https://tokvane.app/categories/trading-terminals) · Vendor: Tucsky (open-source project) · Website: https://charts.aggr.trade · Status: active

Open-source web app that aggregates live trades from many crypto exchanges into combined charts, with rolling sums and volume-scaled audio.

> Aggr (Tucsky (open-source project)) — pricing: open-source; free tier: Yes; REST: unknown; MCP: unknown; open source: Yes.

## Pricing

- **Model:** open-source
- **Free tier:** Yes — Hosted instance at charts.aggr.trade or self-host.
- **Plans:** unknown

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## Access & auth

- **Authentication:** none
- **KYC required:** No
- **Notes:** Trades stream directly from exchanges via browser WebSockets; no account described in the README.

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## Coverage

- **Exchanges:** KuCoin, BitMEX, Bitfinex, Binance, Coinbase, Bitstamp, Deribit, Huobi, OKX, HitBTC, Poloniex, Bybit, Bitget, Bitunix, Gate.io, Crypto.com
- **Chains:** unknown
- **Assets:** unknown

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## Capabilities

- **Capabilities:** trades-data, charting, multi-exchange

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## Interfaces

- **REST API:** unknown
- **WebSocket:** Yes
- **SDKs:** none documented
- **Official MCP server:** unknown
- **Other:** Optional separate aggr-server needed for historical data.

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## Open source & self-hosting

- **Open source:** Yes
- **Licence:** GPL-3.0
- **Self-host:** Yes
- **Repository:** https://github.com/Tucsky/aggr

_Verified on 2026-10-29. Source: https://github.com/Tucsky/aggr_

## FAQ

**Does Aggr have a free tier?**
Yes. Hosted instance at charts.aggr.trade or self-host. (verified 2026-10-29)

**Does Aggr offer an API?**
REST: unknown. WebSocket: Yes. Official MCP server: unknown. Verified 2026-10-29.

**Is Aggr open source or self-hostable?**
Open source: Yes; licence: GPL-3.0; self-host: Yes. Verified 2026-10-29.

**What are alternatives to Aggr?**
Other trading terminals in our directory: Altrady, Bookmap, CoinRoutes, Flowsurface, TradingView.

Alternatives: https://tokvane.app/alternatives/aggr

Information only, not financial or investment advice.