# WatchData: pricing, API and features

Category: [On-chain analytics](https://tokvane.app/categories/onchain-analytics) · Vendor: WatchData · Website: https://www.watchdata.io/ · Status: active

Blockchain node and indexed-data API for Ethereum, Bitcoin, Tron, BSC and Polygon, with transfer, token and trace endpoints and a crypto price API.

> WatchData (WatchData) — pricing: from $49/month; free tier: Yes; REST: Yes; MCP: unknown; open source: No.

## Pricing

- **Model:** freemium
- **Free tier:** Yes — 100M watch units per month, 5 API keys, 200 units per second.
- **Plans:** Start Up: $49/month (200M watch units); Business: $99/month (450M watch units); Production: $299/month (600M watch units)

_Verified on 2026-10-30. Source: https://docs.watchdata.io/resources/pricing-and-limits_

## Access & auth

- **Authentication:** api-key
- **KYC required:** unknown
- **Notes:** Dashboard sign-up and API key.

_Verified on 2026-10-30. Source: https://docs.watchdata.io/_

## Coverage

- **Exchanges:** unknown
- **Chains:** Ethereum, Bitcoin, Tron, BNB Smart Chain, Polygon
- **Assets:** 1,000+ cryptocurrency pairs in the price API

_Verified on 2026-10-30. Source: https://www.watchdata.io/_

## Capabilities

- **Capabilities:** onchain-metrics, price-data, historical-data

_Verified on 2026-10-30. Source: https://www.watchdata.io/_

## Interfaces

- **REST API:** Yes
- **WebSocket:** unknown
- **SDKs:** none documented
- **Official MCP server:** unknown
- **Other:** JSON-RPC, Powered API (transfers, traces, token API, stats), Price API

_Verified on 2026-10-30. Source: https://docs.watchdata.io/_

## Open source & self-hosting

- **Open source:** No
- **Licence:** proprietary
- **Self-host:** No

_Verified on 2026-10-30. Source: https://docs.watchdata.io/_

## FAQ

**Does WatchData have a free tier?**
Yes. 100M watch units per month, 5 API keys, 200 units per second. (verified 2026-10-30)

**Does WatchData offer an API?**
REST: Yes. WebSocket: unknown. Official MCP server: unknown. Verified 2026-10-30.

**Is WatchData open source or self-hostable?**
Open source: No; licence: proprietary; self-host: No. Verified 2026-10-30.

**What are alternatives to WatchData?**
Other on-chain analytics in our directory: Alchemy Data APIs, Allium, Arkham Intelligence, Artemis, blockmachine.

Alternatives: https://tokvane.app/alternatives/watchdata-io

Information only, not financial or investment advice.