
LetSign.ai is an agent-native platform for AI-drafted proposals, e-signatures, and Stripe payments via MCP.
letsign.aiCrawled Oct 2, 2026
Three ways agents close with LetSign: proposal-matched contracts, live price negotiation, and signing plus payments automated at scale.
Give your Claude agent the power to generate a contract, get it signed, and collect payment via Stripe, installed as an MCP server in Claude in one click.
Pair Fathom with LetSign through your AI agent: it reads the call transcript via the Fathom MCP and drafts the personalized proposal via the LetSign MCP.
How LetSign works: an agent or you generates the contract, the recipient e-signs, and Stripe captures payment — one self-serve flow, first signature in minutes.
A curated map of the agent-native sales stack in four layers: the agent, the context layer, the closing layer, and the rails. Playbooks, recipes, comparisons.
Yes, mechanically. An AI agent can draft the contract, adapt it in negotiation, send it after a human approves, and collect payment. Only the client signs.
The LetSign shipping log. Every ship, dated, newest first: new comparison and use-case guides, faster responsive site, one-click install from Claude and Codex.
How to get paid when an AI agent closes a deal: the contract carries the pricing, the client picks a plan, signs, and pays into your own Stripe account.
Subscribe to the LetSign Launch plan before October 1, 2026 and keep $19/month and your payment rates locked until October 1, 2028. In writing.
LetSign pricing: a free plan at $0/mo (0.20% on payments) or the $19/mo launch plan with 0% payment fees to $20,000/mo. Price and rates locked to 2028.
Compare LetSign - the agent-native, MCP-installed contract-to-payment tool - with DocuSign, PandaDoc, Qwilr, Proposify, Dropbox Sign and more.
A Bonsai alternative for AI agents: LetSign is a focused, MCP-installed contract to sign to Stripe payment primitive, vs Bonsai's all-in-one freelancer suite.
LetSign is a turnkey, agent-native contract to sign to pay MCP server; DocuSeal is an open-source, self-hosted document-signing tool built for developers.
LetSign is the agent-native, MCP-installed way for an AI agent to send a contract, e-sign it, and collect Stripe payment, vs DocuSign's human-first e-sign.
LetSign contracts are legally binding across the US, EU, UK, Canada and Australia - email-verified signers, ESIGN/eIDAS compliant, with a full audit trail.
Contact the LetSign team. Feature requests ship within a week or your month is on us. Email the team about installs, pricing, security or legal questions.
Your AI tailors your deck and contract from call recordings and emails. Clients sign and pay in hours, not weeks. Try it free, no card.
Drop your deck, contract or website. LetSign rebuilds it in your colours so your AI can tailor, send and get it signed and paid. Free, no card.
How LetSign (Lean Data Pty Ltd, ABN 60 624 934 998) collects, uses, discloses and protects personal information across its agent-native contract, e-signature and payment platform.
The Terms of Service for LetSign, operated by Lean Data Pty Ltd (ABN 60 624 934 998): accounts, e-signatures, payments, acceptable use and governing law (New South Wales, Australia).