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Relaystation eSign Document
x402
Relaystation eSign Document is a paid API for AI agents from api.relaystation.ai, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).
Send a PDF, Word doc, or Markdown file for legally binding e-signature with hosted signing links, ordered multi-signer routing, approvers, templates, and live status tracking.
Price / call$0.05
Success—
StatusUnknown
How this service works
$0.05/envelope. Send any PDF, Word doc, or markdown for legally binding e-signature — hosted signing links, ordered multi-signer routing, approvers, templates, live status, signed-copy retrieval. DocuSign-class workflow at a fraction of the price, one of 155 Relaystation tools on one balance — relaystation.ai
Output
Returns an envelope ID, a hosted signing URL for each signer, current status of each signer in the routing order, and a retrieval link for the completed signed document once all parties have signed.
Example use cases
Contractor agreement signing workflow
“I need to send this contractor agreement PDF to our new hire jane@contractor.com for e-signature — set it up with an ordered signing link and let me know when she's signed it.”
Multi-party vendor contract routing
“Route this vendor contract through our legal approver approvals@acme.com and then send it to the vendor contact procurement@vendorco.com for signature in that order.”
Template-based client proposal signature
“Use our standard SaaS agreement template and send it to ceo@clientco.com for a legally binding signature — I need a hosted signing link and a copy of the signed document when they're done.”
Technical details
Endpoint
POSThttps://api.relaystation.ai/v1/esigndoc/envelopesWhen to prefer
Choose this endpoint when you need DocuSign-class e-signature workflows — ordered multi-signer routing, approver chains, templates, and live status — at a flat $0.05 per envelope with no subscription, billed from the same Relaystation balance as your other AI tools. Prefer it over full DocuSign or HelloSign integrations when you want a single-balance API-native workflow without managing separate OAuth credentials or monthly seats.
Side effects
- Invalid or unsupported document format returns a format error
- Missing required signer email causes a validation failure
- Incorrect signer ordering configuration may reject the request
- Document exceeds size limits returns an oversized payload error
- Insufficient USDC balance causes a payment failure before the envelope is created
- Template ID not found returns a not-found error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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