OneSpan eSign: regulated signing vs developer workflows
When OneSpan fits banks and insurers, where teams feel friction, and how Atlas can run parallel pilots for agent and API-driven sends.
Shaan F.
Co-founder & CEO, Atlas
On this page
OneSpan (many buyers still say eSignLive) targets regulated industries: banks, insurers, and teams that need strong identity and audit packages out of the box. It is a serious incumbent, not a lightweight API toy.
Atlas is not a drop-in OneSpan replacement for qualified electronic signature programs. We say that up front so your compliance team does not waste a quarter on the wrong pilot.
> Share: "OneSpan is built for regulated ceremonies. Atlas is built for developer and agent workflows with review-first sends."
What OneSpan is good at
- Long track record in financial services
- Identity verification and authentication options beyond email links
- Enterprise procurement and compliance questionnaires buyers expect
- Deep workflows when legal already standardized on OneSpan
If your risk team has approved OneSpan and you send mortgage or insurance packets, switching vendors is a program, not a hackathon.
Where teams feel friction
- Implementation timelines measured in quarters, not days
- Seat and transaction packaging that favors steady high volume
- Less emphasis on agent-native MCP or chat-driven sends
- Heavier admin surface for simple "sign this NDA" tasks
None of that makes OneSpan bad for its core buyer. It explains why a fintech product team might feel friction when they only need ten NDAs per month from CI.
OneSpan vs DocuSign
Both serve enterprise buyers. DocuSign owns broader market share and integration logos. OneSpan often wins when regulators and internal audit ask for specific authentication stories.
See OneSpan vs DocuSign comparison for pricing shape and API notes. Figures change. Confirm on vendor sites before budget meetings.
When Atlas enters the picture
Atlas fits parallel tracks, not rip-and-replace on day one:
- Agent-driven NDAs and MSAs from Claude or CI
- Usage-priced sends without another seat minimum
- Review link on every ad-hoc create before email
- Ten MCP tools plus REST at
POST /api/envelope
Pilot Atlas on low-regulatory templates while OneSpan handles core banking packets. Compare webhook payloads and signed PDF storage in staging.
Migration reality check
Do not promise your compliance team a weekend cutover from OneSpan. Do promise a bounded pilot: five free Atlas sends, one template rebuilt, webhooks wired to a sandbox CRM.
If the pilot fails audit, you learned cheaply. If it passes, you expand use cases deliberately.
Feature snapshot
| Need | OneSpan | Atlas |
|---|---|---|
| Regulated identity ceremonies | Strong | Not our wedge |
| REST API | Yes | Yes |
| MCP for agents | No | Yes |
| Per-send pricing | Enterprise quotes | $1/envelope after 5 free |
| Review before send (default) | Configurable | Yes on ad-hoc |
Procurement checklist
Before you shortlist vendors, align internally on:
- Expected monthly envelope volume versus seat count
- Whether signers are mostly external or employees
- Identity requirements (email link versus KBA versus smart card)
- Data residency and retention years
OneSpan scores well when the checklist ends in regulated authentication. Atlas scores well when the checklist ends in API volume, agent sends, and review-first UX.
Trust ladder on parallel pilots
First send on a new document type: open review_url, confirm fields, click Send. Repeat from template: auto_send when legal approved the pinned shape. OneSpan can keep core regulated flows while Atlas handles agent-prepared NDAs that still need human review once.
Pilot timeline (realistic)
Week 1: sandbox API sends on one template. Week 2: webhook to staging CRM. Week 3: legal review of signed PDF packet. Week 4: decision on expanding use cases or staying on OneSpan for core flows.
Skipping weeks 1 and 2 and asking legal on day one kills pilots.
FAQ
Does Atlas accept PDF and DOCX?
Yes. Upload either format when you create an envelope. DOCX files become PDF before anyone signs.
How do I sign in?
Use a Bearer API key from your dashboard settings. MCP connectors in ChatGPT and Claude use OAuth instead.
When do credits get used?
One credit per send, not per upload. You get five free sends when you sign up.
Where should I start?
compare hub and API reference.