Send21 vs Winback
Neck and neck on boosts. Profiles, pricing and deals below.
Send21
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.
Winback
Winback for AI Agents: MCP Server and llms.txt
community boosts
⚡ 0
pricing
Paid
what it is
Connect Claude, ChatGPT or Cursor to Winback's public, read-only MCP server. Tools for pricing, fit and estimates. No API key.