A clean REST API, real SDKs, signed webhooks, and a free sandbox. No 800-page integration guide. No sales call required.
Create the contract, send secure links, capture consent, emit a signed webhook and store the audit trail — all in one workflow.
curl https://api.ziasign.com/v1/contracts \
-H "Authorization: Bearer $ZIASIGN_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"subject": "MSA — Acme Corp",
"documents": [{ "name": "msa.pdf", "data": "<base64>" }],
"signers": [{ "email": "[email protected]", "name": "Jane Doe" }],
"webhook_url": "https://app.example.com/ziasign"
}'Predictable JSON in and out. OpenAPI spec, typed SDKs, and endpoints that read like product workflows.
Envelope sent, signer viewed, contract completed — HMAC-signed, retry-safe events you can trust in production.
Server-to-server tokens, scoped API keys, OAuth2/JWT patterns and tenant isolation for serious deployments.
500 production-shaped contracts in a separate sandbox. No card, no sales call, same API shape.
Copy-paste cURL, request/response examples and runnable snippets per endpoint.
Stable versions stay stable. Breaking changes get a 24-month deprecation window.
500 sandbox contracts. Same API shape as production. Upgrade when you are ready.