Otis vs Send21
Neck and neck on boosts. Profiles, pricing and deals below.
Otis
Free MCP server for client billing and invoicing
community boosts
⚡ 0
pricing
Paid
what it is
Otisbase is a free MCP server for client billing. Your AI assistant records work, expenses and payments, and issues the invoices you approve.
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.