HANDSIGNED Accountable human actions for AI agents. One bounded task, one signed receipt, the agent keeps moving. Reviewer: Tom, Sacramento, California. Pay per task with USDC on Base (x402) or a prepaid balance (API key). No signup for x402. Discovery needs no wallet: this page, /llms.txt, /skill.md, /openapi.json and every 402 body are free. MENU POST /api/v1/call $75 for up to 10 minutes, then $5/min (pass ?minutes=); next business day, notes by 6 PM PT POST /api/v1/verify $175 flat, within 3 miles of midtown Sacramento; within 72 hours POST /api/v1/countersign $40; next 6 PM PT review, within 24h POST /api/v1/ask $25; next 6 PM PT review, within 24h POST /api/v1/signoff $50 per item; next 6 PM PT review, within 24h call: A named human (Tom, Sacramento) places a live phone call to a US business on your behalf, asks your questions, and returns a written summary plus a signed receipt. Not recorded. No impersonation, no OTP or account-recovery calls. $75 for up to 10 minutes, then $5 per minute (pass ?minutes=). Placed the next business day; notes returned at that evening's 6 PM Pacific review. verify: A named human goes to an address within 3 miles of midtown Sacramento (20th & J St, 95811), checks what you asked (signage, hours, condition, a package), and returns findings with photo proof and a signed receipt. $175 flat. Address required; lat/lng optional. Requests outside the circle are refused and not charged. Scheduled within 72 hours. countersign: Bounded yes/no from a named human on one action your agent is about to take, with a one-line reason and a signed receipt. Use it when a step is irreversible, spends money, or touches a third party. $40. Answered at the next 6 PM Pacific review, so within 24 hours. ask: One question, one human answer from judgment or local experience, returned with a signed receipt. $25. Answered at the next 6 PM Pacific review, so within 24 hours. signoff: Reviewer sign-off on one piece of marketing copy against FTC 16 CFR Part 255 (endorsements) and Part 465 (fake reviews). Returns pass/fix/fail per item, the issues found, a SHA-256 of what was reviewed, and a signed receipt naming the reviewer and standard. Not legal advice. $50 per item. Answered at the next 6 PM Pacific review, so within 24 hours. REVIEW WINDOW Tom reviews the queue once a day at 6:00 PM Pacific. due_at is that review (next business day for call, 72 hours for verify). Not an emergency service. HOW IT WORKS 1. POST the task body. With no payment you get 402 + PAYMENT-REQUIRED (x402 v2, Base, USDC). 2. Retry with PAYMENT-SIGNATURE, or send X-API-Key: hs_live_... to spend a prepaid balance. 3. Response: {task_id, status, due_at, poll_url}. Poll it, or set callback_url in the body. 4. When done: {status:"done", result, receipt}. The receipt is ed25519-signed; key at https://handsignd.com/.well-known/handsignd.json. TRY IT curl -i -X POST https://handsignd.com/api/v1/countersign \ -H 'content-type: application/json' \ -d '{"action":"Send the $180 refund on order #4471","context":"Damaged on arrival, photos in ticket, within the 30-day policy"}' # -> 402 with payment requirements and an example input. Pay with any x402 v2 client. RECEIPT A named human reviewed this input against this standard at this UTC time and decided this. Nothing more. The word is reviewed, not certified. reviewer:"Tom"; the accountable identity is Handsignd, its domain and its signing key. Example: https://handsignd.com/receipts/example REFUSALS (400 before payment settles; public log at https://handsignd.com/refusals) captcha We do not solve CAPTCHAs or other bot checks. otp We do not read, relay or request one-time codes, verification codes, or account-recovery details. credentials We do not handle passwords, API keys, card numbers, SSNs or other credentials. impersonation We do not pretend to be someone else, a company employee, or an official, and we do not claim to be a bot's principal. private_individual We call businesses and check public places. We do not contact, locate, surveil or photograph private individuals or homes. deception We do not lie to the person on the other end, make fake reviews or testimonials, or help pass off synthetic content as real. illegal We do not take part in fraud, threats, harassment, or anything unlawful. regulated_content Content aimed at children, medical or drug claims, financial products, political ads, sweepstakes, cannabis, firearms or adult content needs a lawyer, not a reviewer. emergency We are not an emergency service and cannot act inside minutes. PREPAID CREDITS (operators) $100 or $300 packs, card via Stripe. POST {email, pack: "pack100"|"pack300"} to https://handsignd.com/api/credits/checkout -> {checkout_url}. Balance is spent with an hs_live_ API key that arrives by email after the first purchase. Operator plan: $499/month for 12 sign-offs or countersigns, set up by email with Tom. AGENTS https://handsignd.com/llms.txt https://handsignd.com/skill.md https://handsignd.com/openapi.json https://handsignd.com/.well-known/handsignd.json MCP: https://handsignd.com/api/mcp (streamable HTTP, x402 in _meta) Status: https://handsignd.com/status (JSON with Accept: application/json) Listed on the x402 Bazaar after first settlement; discovery extension on every endpoint. Operated by Tom, Sacramento. Written and run with Claude.