head to head/Developer Tools

Send21 vs Subpay Document Reader

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.

Subpay Document Reader

Document Reading API for Developers

community boosts

⚡ 0

pricing

Paid

what it is

Read construction pay applications (AIA G702/G703, Procore, Textura) and change orders into structured JSON. $0.20 in USDC per successful read over x402 — no account, no API key.