Clicksign API
Clicksign API gives developers tools to build electronic-signature workflows around envelopes.
What Clicksign API is
Clicksign API gives developers tools to build electronic-signature workflows around envelopes. The Envelope API can create envelopes, add documents and signers, set signer authentication requirements, and activate signature flows. Requests and responses follow JSON:API formatting. Webhooks send HTTP POST notifications to a registered URL when a signature event occurs, and an embedded widget can put the signing flow inside a website or application. The API also supports identity verification, workflow status access, and retrieval of signed files. Clicksign describes API integrations as suited to more complex scenarios that generally require development, and API access is available on all plans. An unlimited free sandbox is available for integration work before launch. Billing is based on documents finalized by all signers, not merely sent. Listed connection options include API, Zapier, Salesforce, and TOTVS. Clicksign says its electronic signatures comply with Brazilian Provisional Measure 2.200-2/2001 and Law 14.063/2020.
Good
- Creates envelopes and manages documents and signers.
- Webhooks notify a registered URL of signature events.
- An unlimited free sandbox is available.
- API access is available on all plans.
- Billing applies to documents finalized by all signers.
Watch out
- API integrations generally require development work.
Who it suits
This API suits developers building electronic-signature workflows, particularly for more complex integrations. It may be relevant when a business wants signing embedded in its own website or application.
Verdict
Clicksign API covers envelope creation, signer requirements, event notifications, and embedded signing. It offers an unlimited free sandbox, but integrations generally call for development work.
Plans and prices
From Clicksign API's own pricing page, checked 3 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Start | $39 a month | 5 usuários · documentos por mês; quantidade não especificada · API disponível · / Mês |
| Plus | $59 a month | 10 usuários · documentos por mês; quantidade não especificada · API disponível · / Mês |
| Automação | $85 a month | 10 usuários · documentos por mês; quantidade não especificada · API disponível · / Mês |
| Avançado | Priced on request | 300+ documentos por mês · usuários ilimitados · API completa e White Label · suporte prioritário · Sob medida |
The facts
Each one read from Clicksign API's own pages, with the date it was checked.
What it does
- API availability
- The integrations FAQ says API access is available on all plans, while API integrations generally require development and technical support.checked 3 Oct 2026
- API format
- The Envelope API uses JSON:API formatting for requests and responses.checked 3 Oct 2026
- Embedded signing
- The integration page says the embedded widget can place the signature flow directly inside a website or application.checked 3 Oct 2026
- Hosting and encryption
- The homepage states that Clicksign uses AWS Multi-AZ infrastructure, TLS 1.3 in transit, and AES-256 at rest.checked 3 Oct 2026
- Integrations
- The maker lists API, Zapier, Salesforce, and TOTVS as ways to connect Clicksign with business systems.checked 3 Oct 2026
- Intended users
- The maker describes API integrations as suited to more complex scenarios and says they generally require development.checked 3 Oct 2026
- Legal framework
- The maker says its electronic signatures comply with Brazilian Provisional Measure 2.200-2/2001 and Law 14.063/2020.checked 3 Oct 2026
- Purpose
- The Envelope API lets developers create envelopes, add documents and signers, set signer authentication requirements, and activate signature flows.checked 3 Oct 2026
- Sandbox
- The integration page describes an unlimited, free sandbox for testing integrations before launch.checked 3 Oct 2026
- Security certifications
- Clicksign says it holds ISO 27001 and ISO 27701 certifications for information security and privacy.checked 3 Oct 2026
- Security practices
- The security page describes least-privilege access controls, periodic vulnerability testing and risk assessments, backups, and annual independent audits.checked 3 Oct 2026
- Support
- The API documentation links users to Clicksign support, and the pricing page lists priority support for the Advanced plan.checked 3 Oct 2026
- Webhooks
- Webhooks send HTTP POST notifications to a registered URL when a signature event occurs.checked 3 Oct 2026
Money
- Billing basis
- The integration page says customers pay for documents finalized by all signers, rather than documents merely sent.checked 3 Oct 2026
- Free plan
- Nochecked 20 Sep 2026
The company
- Founded
- 2010checked 28 Sep 2026
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