Layer vs Send21
Neck and neck on boosts. Profiles, pricing and deals below.
Layer
one API for Kalshi and Polymarket
community boosts
⚡ 0
pricing
Paid
what it is
One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket.
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.