head to head/Developer Tools

Send21 vs ThresholdLink

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.

ThresholdLink

Connect Intervals.icu to Claude and ChatGPT

community boosts

⚡ 0

pricing

Freemium

what it is

ThresholdLink is a remote Intervals.icu MCP server for Claude and ChatGPT. Ask about your training and add workouts, races and notes to your calendar. Free, funded by donations.