Signater

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Signater is ranked #7 of 27 in digital signature API software on Inferse. It runs on Android, API, iOS, Web. There is a free plan. Paid plans start at $39/mo.

Compared on digital signature API software

Free plan: Yessignater.com
Paid from: $39/mosignater.com
Identity verification: Yessignater.com
Workflow status API: Yessignater.com
Webhook event types: 10signater.com
Signed-file retrieval: Yessignater.com
Sandbox environment: Yessignater.com

Facts

Core function: Signater lets businesses send, sign and track contracts digitally in minutes through a browser.signater.com · 30 Sept 2026
Envelopes: An envelope combines multiple documents and signers in one sequential or parallel signing flow and ends with a completion certificate.signater.com · 30 Sept 2026
Identity verification: Identity checks include password, email OTP, SMS OTP, selfie with liveness, identity document, facial biometrics and geolocation.signater.com · 30 Sept 2026
Templates: Templates keep recurring document text ready, with typed fields for variable content and a new version for each edit.signater.com · 30 Sept 2026
API: The REST Integration API can create, send and track envelopes, upload documents, use templates and retrieve signed files and certificates.signater.com · 30 Sept 2026
API availability: The API and webhooks are available on the Business and Enterprise plans.docs.api.signater.com · 30 Sept 2026
Webhooks: Envelope events are delivered by webhook POST requests with automatic retries.signater.com · 30 Sept 2026
Security: Signater uses HTTPS/TLS with HSTS, AES-256 encryption at rest, AES-256-GCM for secrets and PBKDF2 password derivation.signater.com · 30 Sept 2026
Signature standards: Signed PDFs use embedded PAdES signatures, SHA hashes, RFC 3161 timestamps and optional long-term validation.signater.com · 30 Sept 2026
Legal validity: Signater states that its electronic signatures are legally binding under the U.S. ESIGN Act, UETA and EU eIDAS.signater.com · 30 Sept 2026
Browser access: Signers use a browser link on phones or computers and do not need an app or Signater account.signater.com · 30 Sept 2026
Languages: The platform, signing flow and messages are available in English, Portuguese, Spanish, French, German and Italian.signater.com · 30 Sept 2026
Support: Signater directs customers to get answers about features, plans and implementation through WhatsApp, and Enterprise includes priority chat support.signater.com · 30 Sept 2026
Free tier: The free tier is free forever, includes three envelopes per month and requires no credit card.signater.com · 30 Sept 2026