{"name":"tollkit-sms","brand":"Tollkit","version":"1.0.0","description":"PAUSED: SMS delivery is not available right now; every send is refused before payment. Lets an agent text a human without holding its own Twilio account or carrier registration — toll-free verification takes weeks and requires a legal entity, a consent policy and a live site. Priced in USDC and paid with x402, or against prepaid credit with an API key.","payment":{"protocol":"x402","scheme":"exact","network":"base-sepolia","asset":"USDC","price":{"model":"per_segment","first_segment":"$0.03","each_additional_segment":"$0.02","segment_characters":{"single_segment":{"gsm7":160,"ucs2":70},"per_segment_when_split":{"gsm7":153,"ucs2":67}},"opt_out_footer_counts":true,"min":"$0.03","max":"$0.39","exact_quote":"The 402 quotes the exact price for the message sent; dry_run reports it for free."},"pay_to":"0xBbfCE2D320dE6aB328Ba93A771c531ebFC9cE704"},"services":[{"id":"send_sms","price":{"model":"per_segment","first_segment":"$0.03","each_additional_segment":"$0.02","segment_characters":{"single_segment":{"gsm7":160,"ucs2":70},"per_segment_when_split":{"gsm7":153,"ucs2":67}},"opt_out_footer_counts":true,"min":"$0.03","max":"$0.39","exact_quote":"The 402 quotes the exact price for the message sent; dry_run reports it for free."},"surfaces":[{"protocol":"mcp","transport":"streamable-http","url":"https://mcp.tollkit.dev/mcp","tool":"send_sms"},{"protocol":"http","method":"POST","url":"https://sms.tollkit.dev/send"}],"input":{"to":"string (E.164, US only)","message":"string","opt_in_attestation":"true (required) — sender affirms recipient consent","dry_run":"boolean (optional) — gate verdict only, free, nothing sent"},"constraints":{"coverage":"US (+1) only","max_message_chars":1200,"rate_limits":{"per_minute":10,"per_hour":60,"per_day":200},"refusals_are_free":true,"opt_in_attestation_required":true,"dry_run_available":true}}],"terms":"https://sms.tollkit.dev/terms","privacy":"https://sms.tollkit.dev/privacy","contact":"hello@tollkit.dev"}