Freedom251 › E-Signature APIs Software
eSignatures.com API

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pay as you go | No monthly fees; all prices are in USD. · No usage limits · Unlimited templates · Unlimited users | $0.49 a month |
| SMS add-on | $0.09 per SMS · Optional usage add-on | $0.09, paid once |
| Pay-as-you-go | $0.49 per contract sent; credits never expire · No monthly fees · No usage limits · All features included · $50 minimum top-up · Bulk discounts available | $0.49, paid once |
| Live photo ID verification add-on | $2.99 per live photo ID verification · Optional usage add-on | $2.99, paid once |
As esignatures.com lists them, read 21 Sept 2026. The maker's own page has the final word.
Facts from eSignatures.com API's own pages
- API authentication
- API requests use HTTP Basic Auth with the Secret Token as the username and no password; browser requests are blocked by CORS to protect the token. · esignatures.com, 8 Oct 2026
- API limits
- The API uses adaptive rate limiting, and contract records older than two weeks may return incomplete data; the maker recommends webhooks instead of frequent polling. · esignatures.com, 8 Oct 2026
- Company
- eSignatures.com says it is based in Melbourne, Australia, and has collected signatures since 2017. · esignatures.com, 8 Oct 2026
- Compliance
- The maker lists ESIGN and UETA, eIDAS at the Simple Electronic Signature level, GDPR, HIPAA support, and other regional e-signature frameworks. · cdncf.esignatures.com, 8 Oct 2026
- Contract format
- Contracts use responsive structured text rather than PDFs, and PDF or Word files can be converted into templates before sending. · esignatures.com, 8 Oct 2026
- Data residency
- The maker lists data center choices in the United States, Canada, Australia, Germany, and the United Kingdom. · cdncf.esignatures.com, 8 Oct 2026
- Embedded signing
- The API documentation provides iframe instructions for embedding a signer page in another site or product. · esignatures.com, 8 Oct 2026
- Founded
- 2015 · esignatures.com, 28 Sept 2026
- Headquarters
- Melbourne, Australia · esignatures.com, 28 Sept 2026
- Integrations
- The product lists Google Drive, Zapier, Make, Claude, ChatGPT, webhooks, and its REST API as integration options. · cdncf.esignatures.com, 8 Oct 2026
- Product
- The REST API lets customers create, customize, send, and manage contracts and signers, then receive lifecycle updates through webhooks. · esignatures.com, 8 Oct 2026
- Security
- The maker says it is ISO 27001 certified, uses AWS, encrypts data in transit with TLS and at rest with AES-256, and provides tamper-evident audit trails. · cdncf.esignatures.com, 8 Oct 2026
- Signing flow
- API-sent contracts support email, SMS, two-factor authentication, embedded signing, and contract links. · esignatures.com, 8 Oct 2026
- Support
- The pricing page states a support response time of less than two business days. · cdncf.esignatures.com, 8 Oct 2026
- Templates and fields
- Templates support placeholder fields for personalization and signer fields for collecting information during signing. · esignatures.com, 8 Oct 2026
- Testing
- A free account can be used for testing and development, with test contracts marked by a demo stamp. · esignatures.com, 8 Oct 2026
Where eSignatures.com API stands on Freedom251
- E-Signature APIs Software#6 of 26
- Electronic Signature APIs#8 of 27
