Send21 vs StalkChain Data

Neck and neck on boosts. Profiles, pricing and deals below.

Try a crypto pay link on testnet, no account

community boosts

⚡ 0

pricing

Freemium

what it is

Make a real test payment from your own wallet on Bitcoin, Solana, Ethereum, Base, Arbitrum and Polygon test networks. No account, no email.

Crypto MCP for Claude, ChatGPT and Grok

community boosts

⚡ 0

pricing

Paid

what it is

Add StalkChain's MCP to Claude, ChatGPT, Grok or Cursor in 30 seconds. Live FOMO traders, wallets, PnL, theses and flows on 7 chains. $5 free.