head to head/Developer Tools

Send21 vs Willder

The community leans Willder right now. 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.

Willder

Apps, Agents, Teams Synced

community boosts

⚡ 1

pricing

Freemium

what it is

Better context. Tighter control. Smoother coordination. For every agent on your team.