Atlas
E-signature API for AI agents. Send PDF or DOCX contracts for human signature from Claude, ChatGPT, or your app.
Where Atlas ranks
Current edition · updated Oct 20, 2026About Atlas
Send any document. Atlas detects fields, pre-fills data, and returns a signable link in one API call. No templates, no manual setup.
Products
REST API for creating, reviewing, sending, and tracking e-signature envelopes from PDF or DOCX with field detection, webhooks, and audit trail.
Ten MCP tools covering create, review, send, poll, remind, void, and post-sign extract for use with Claude, ChatGPT, or Cursor.
Multi-tenant platform API for provisioning isolated client workspaces, white-label branding, flexible billing (platform pays or child pays), and connected accounts.
Web dashboard for uploading contracts, reviewing detected fields, team management with shared credits, roles, and admin controls.
Security and compliance
As reported by Atlas. Ask for audit reports before you buy.
- HIPAACompliant
- AES-256 encryption at rest
- TLS 1.2+ encryption in transit
- HMAC-SHA256 webhook signatures
- SHA-256 document hashing
- Cryptographic audit trail
- Multi-signer per-party tokens
- Service-role database access restriction
- Turnstile abuse prevention at signup
- Rate limits on sensitive endpoints
SubprocessorsAdaptyv Bio, Scale AI
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