A sound contract from a prompt. Free to start.
Describe an everyday deal and get a contract built to protect your side, so you should not need a law firm for every everyday deal. Read any contract and confirm it is the genuine unaltered standard for free, and sign up to 3 deals a month free. Hosted signing, identity checks and letting an agent act for you are available when you want them.
Free / Open
Everything you need to read, verify and incorporate the standard.
Start free- Unlimited reading of the whole corpus
- Unlimited web Verify. Re-derive any hash
- Unlimited incorporation-by-reference
- 3 standard onSign executions / month
- Also supported: read-only MCP (fetch · validate · diff) if you let an agent act for you
- API access · agent-execute
- Identity (KYC) signing
Creator
Best for creatorsFor creators, freelancers and small suppliers. The standard is built to protect the smaller party, and you pay only when you sign a real deal.
- A kill fee if the deal is cancelled after you start
- A bounded licence, not a buy-out of your work
- A one-directional liability floor that lifts your claim cap without raising your own exposure
- Describe the deal in plain words; the AI fills the Elections, not the law
- A verifier confirms every choice is in range before you sign
- £4 per signed-and-verified deal; Creator Pro includes 25, then £4 each
- Embeddable “onTerms Verified” badge
Team
For agencies, dev shops and small SaaS closing on the standard every week.
- 100 onSign / month, then metered overage
- All standard modules
- Agent-execute under verifiable mandates
- 25k Verify-API calls / month
- 5 seats
- Email support
Business
Mid-market: every module and identity signing.
- 500 onSign / month, then metered overage
- All modules incl. AI, ProServ & Marketplace
- KYC onSign, metered pass-through (~£3-5/exec)
- 250k Verify-API calls / month
- SSO · white-label badge widget
- 20 seats
Try it now: generate a contract from a prompt. You get 3 free onSign executions a month.
Enterprise
from ~£18k / yearCommitted volume, white-label signing, qualified (QES) signing billed at cost, a dedicated audit log, SAML/SCIM, a named contact and an SLA. A private endpoint for agents is available if you choose to let an agent act for you. For platforms, embedders and regulated buyers.
Usage & add-ons
| Extra signings | £2-4 / deal signed | For deals signed beyond the free three a month. Billed automatically on monthly plans. |
| Identity (KYC) signing | ~£3-5 / deal signed | When a deal needs an identity check, billed at cost. Never marked up beyond cost-recovery plus a thin margin. |
| Qualified (QES) signing | metered € / signature | eIDAS-qualified via a QTSP, billed as an explicit pass-through. Contact sales. |
| Verification, in volume | metered, kept cheap | Confirming a contract is the genuine unaltered standard is free for people. Programmatic checking at volume is metered, and stays cheap because the standard is public and anyone can reproduce the check. |
How we keep it fair
The contract text is a fixed, lawyer-built standard, the same for everyone. We charge for signing and hosting, never for reading or checking that a contract is genuine.
- Reading any contract is free, forever. So is confirming it is the genuine unaltered standard.
- You can sign up to 3 deals a month free. You only pay once you sign more than that.
- Real-cost items like identity checks and qualified signing are billed at cost, so nothing is hidden in your plan.
The standard itself stays open
The onTerms corpus is published under CC-BY-4.0 and stewarded by an independent council. The company funds the council at arm’s length, publicly disclosed and capped. Corporate sustaining memberships fund the commons, so the text can never be held hostage to the rails.