WatchData: pricing, API and features
Blockchain node and indexed-data API for Ethereum, Bitcoin, Tron, BSC and Polygon, with transfer, token and trace endpoints and a crypto price API.
Visit WatchData ↗ Plain link, no affiliate. Category: On-chain analytics.
At a glance: 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.
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