FreeSign — Free e-signature
com.free-sign/signing
Free e-signature for humans and AI agents — zero-document PDF signing from hashes only.
This endpoint completed initialize and tools/list. No tool was called.
- Rank
- #3710
- Score
- 81
- Tool tokens
- 1,278
- Tools
- 5
Tools
Token cost is the o200k count of the tools list JSON, including schemas, before any tool is called.
create_signing_envelope
Create a FreeSign envelope from a PDF SHA-256 hash. Do not send PDF bytes. The created envelope is NOT yet session-bound — the browser that opens the returned signing_url generates an ECDSA P-256 keyp
verify_document_hash
Find FreeSign receipts matching a local document SHA-256 hash.
get_receipt
Return the envelope record (including final_pdf_sha256, final_signature_base64url, final_payload_json), per-signer signing receipts, and OpenTimestamps anchor metadata. Evidence only, never PDF bytes.
get_ots_proof
Return the .ots proof (base64) for a given OpenTimestamps anchor on an envelope. Use the official `ots-cli` to verify offline against Bitcoin block headers. Each seal has two anchors: `kind: "byterang
verify_audit_chain
Return an envelope's append-only audit-event hash chain together with a server-computed integrity verdict: every event_hash is recomputed from its canonical material, and the prev_event_hash linkage a
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