io.zsign

zsign

Legally binding e-signature API for agents: prepaid credits, send envelopes, sealed signed PDFs.

Hosted
Streamable HTTPofficialservice

Deployment

Hosted
streamable-httphttps://zsign.io/mcp
Headers
Authorization
Bearer zs_live_... API key. Optional for discovery: create_account and get_pricing work without it; the create_account tool returns a key.