APISign vs HelloWeSign
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
APISign compared with HelloWeSign
| Detail | 
APISign | H
HelloWeSign |
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| What it does | E-signature API for AI agents and developers to send legally binding contracts via MCP server, REST API or CLI
| Simple electronic signature compliant with eIDAS regulation
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| FR
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| Pricing model | Paid
| Freemium
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| Pricing | $0.25 per contract sent; $0 monthly fee; 20 free contracts to start
| Free: 3 signatures per month; Starter: €9.90/month excl. VAT, 20 signatures per month; Pro: €19.90/month excl. VAT, unlimited signatures
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| Key features | - Markdown and Word document templates with variables
- MCP server with twelve tools for template and contract management
- REST API with JSON over HTTPS
- Test mode with no charge
- Signed webhooks for contract events
- Audit log with IP address, device and timestamp
- Custom branding on signing pages and documents
- Gilberto AI writing assistant for template drafting
- No per-signer or per-seat charges
- CLI for contract operations
| - OTP email verification for signer identity
- Timestamped evidence file with signature audit trail
- SHA-256 PDF hashing for secure signatures
- eIDAS regulation compliance
- REST API with real-time webhooks for integration
- Mobile apps for iPhone and Android
- Support for documents up to 10 MB
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| What makes it different | - Pay per contract sent, not per month or per seat
- No credit card required to start, 20 free contracts included
- Integrated with official MCP registry for AI agent use
- Lowest published API pricing compared to DocuSign, Dropbox Sign, and others
| - Legal validity in court with timestamped evidence
- No credit card or trial expiration on free plan
- Signer authentication without requiring account creation
- GDPR and eIDAS compliance built-in
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ▼ −1 (down) since last check | 3 ● no change since last check |
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| Trust Flow (Majestic) | 2 | 0 |
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| Citation Flow (Majestic) | 29 | 17 |
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| Referring domains (Majestic) | 48 | 6 |
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5 details filled in for both companies.
More alternatives to APISign More alternatives to HelloWeSign