Flaxxa Sign is e-signature software. Upload a PDF or write the document in the app, drag signature, date and text fields onto the page, choose who signs and in what order, and send. Signers sign in their browser with no account, everyone gets the signed PDF, and your own software can do the same with one API call.
Service agreement — Acme Ltd
4 pages · 2 signers
Signature
Asha Verma
Date
27 Oct 2026
Initials
AV
Built on Flaxxa, so sign-in, billing, your team and the audit log are shared with the other Flaxxa apps: one workspace, not separate vendors stitched together.
Send
Upload a PDF or write the document in the app, drag the fields each signer needs onto the page, set the signing order, and send.
Prepare to send
Drag fields onSign
Signers get an email link to a page that needs no account. They give consent, fill the fields and sign, on any device.
Please sign
No account neededSign here
Asha Verma
Record
Each signer's consent and every step are logged with the time and IP address, and a signing certificate is ready when everyone has signed.
Audit trail
CertificateEnvelope sent
10:00 · system
Opened by Asha
10:04 · 49.36.x.x
Signed by Asha
10:06 · 49.36.x.x
Signed by Ravi
11:20 · 103.5.x.x
Automate
One API call sends a document, returns signing links to redirect your users to, and fires a signed webhook when it's done.
One API call
flx_live_••••a1b2POST /v1/sign/envelopes/send
{ "external_id": "PROPOSAL-42", … }
→ 201 Created
status: sentsigning_links: 2
Upload a PDF or write it in the app, and drag the fields each signer needs onto the page.
Add your signers, pick the order, and send. They sign on a no-login page, on any device.
When everyone has signed, all parties get the signed PDF, the certificate is ready to download, and a webhook fires if you sent by API.
The core capabilities at a glance. The full feature catalog breaks each one down.
01 / 04
Signature, initials, date, text, checkbox
Drag the fields each signer needs onto the page, or drop a signature block into a document you write in the app. No fields? A signature and date box lands at the foot of the last page.
02 / 04
Sequential or parallel
Send to everyone at once, or one after another so the next signer is only asked once the last has signed. Add CC recipients who just get a copy.
03 / 04
Prepare once, send again
Save a prepared document with named roles and its fields in place. Fill the roles with real names and send, without placing fields every time.
04 / 04
Send from your own software
POST a document, recipients and fields and Flaxxa Sign sends it, hands back signing links and fires a signed webhook, matched to your own id.
Go deeper
Send documents for e-signature: upload a PDF or write one, place fields per signer, choose sequential or parallel signing, countersign and send.
Signers open an email link, agree to sign electronically and sign by drawing, typing or uploading, on phone or computer, with no account to create.
Save a prepared document with its fields and named roles as an e-signature template, then fill the roles with names and emails and send it again.
Every Flaxxa Sign envelope logs consent and each step with time and IP address, and gives you a signing certificate with document and signature hashes.
Track every envelope: draft, sent, in progress, completed, declined, voided or expired. See who's still to sign, send a reminder or void it.
An e-signature REST API: send a document for signature in one call, get signing links, receive HMAC-signed webhooks and fetch the signed PDF.
Sign a PDF online: open it from your device or Drive, place your drawn, typed or uploaded signature and the date, then download it, save it or email it.
Write a contract or proposal in Flaxxa Sign's editor, drop in a signature block for each signer, and send it for e-signature without making a PDF first.
Pick the playbook that maps to your operation. Each one walks through how teams in that industry put Sign to work.
FOR REAL ESTATE
E-signatures for real estate: send leases, offers and disclosures for signature, let tenants and buyers sign on their phone, and keep the audit trail.
Read playbook
FOR FINANCIAL SERVICES
E-signatures for financial services: send client agreements and forms for signature with consent and an audit trail, or send them from your system by API.
Read playbook
FOR RECRUITING AND HR
E-signatures for HR and recruiting: send offer letters, NDAs and onboarding forms for signature, reuse templates, and keep the certificate on file.
Read playbook
FOR PROFESSIONAL SERVICES
E-signatures for agencies: send statements of work and engagement letters, client first then your countersignature, and see who's still to sign.
Read playbook
See how we stack up
Comparison
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Comparison
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Comparison
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Flaxxa Sign is e-signature software. You send PDFs for electronic signature with fields placed for each signer, in the order you choose; signers sign in their browser without an account, and everyone receives the signed PDF. Developers can send documents for signature from their own software through the API.
E-signature software to send documents for signature, in the app or with one API call. — start free in minutes, no credit card.
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