head to head/Developer Tools

SCRIPTMASTERLABS vs Send21

Neck and neck on boosts. Profiles, pricing and deals below.

SCRIPTMASTERLABS

x402 Agent APIs, MCP Servers & AI Guides

community boosts

⚡ 0

pricing

Paid

what it is

x402 pay-per-call APIs, MCP servers and practical AI field guides from a veteran-owned lab. Verify the provider, then pay per accepted call. Verify the provider, then pay per accepted call. For builders: real AI evidence, x402 payments and signed research verdicts. Seven live ticker scoreboards, frozen five-session predictions, and five real TypeSafe Jev research jurors. Jev model provided by TypeSafe AI; no endorsement or certification implied. Inspect crawl signals, schema, and technical observations before you spend on ads or content.

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.