8 automated checks. 60 seconds. One answer.
Your trading partner says
their cert is fine.
Prove who's right.
AS2 Certify runs a full diagnostic on any AS2 endpoint: TLS, certificates, encryption, signing, MDN, payload. Then it tells you exactly what's broken and how to fix it. No partner coordination required.
First result in about 30 seconds, the full 8-step report in under a minute. No credit card, no partner needed.
This is what you get in 60 seconds
A full diagnostic report: pass, fail, or warn on every check, with the reason.
Connection test report
Report ID a1b2c3d4-sample
Grade A
8 of 8 checks completed, 1 warning
Example data shown. Run your own test to see the real thing.
If you've onboarded an AS2 trading partner,
you already know the pain
40 hours lost per failed onboarding
New trading partner. Export your cert. Email it. Wait 3 days. They configure it. Test. Fail. "Try DER format instead." Another 3 days. That cycle repeats 4-5 times before anyone admits the signing algorithm doesn't match.
Average time to resolve: 2-5 business days
MDN failures with zero useful context
The log says "MDN verification failed." Is it the signature algorithm? The certificate chain? A content-type mismatch? An intermediate cert your CA forgot to mention? Nobody on either side can tell you. So you both guess.
Most common support ticket in EDI operations
Compliance deadlines that don't move
DSCSA serialization is live. Walmart's EDI requirements are non-negotiable. Your AS2 connection is "almost working" but the deadline is Friday. Your trading partner's IT team is out until Monday.
DSCSA non-compliance: up to $10M in penalties
Don't wait for your trading partner
The average AS2 partner onboarding takes 40+ hours. 60% of that time is waiting for the other side. AS2 Certify simulates your trading partner, so you can validate your setup on your schedule, not your partner's. Test outbound, inbound, or the full round trip without any coordination.
Find the problem in minutes. Fix it before the meeting.
Point AS2 Certify at any endpoint. Get a complete diagnostic before your next call.
Test without your trading partner
Our sandbox simulates your trading partner, sending and receiving AS2 messages exactly like a real partner would, so you can validate your setup on your schedule.
8-step automated diagnostic
TCP/TLS, certificate chain, encryption, signing, AS2 message exchange, MDN receipt, payload integrity, and latency. All tested automatically in under 60 seconds.
Reports that explain the fix
Every check shows pass, fail, or warning with the exact reason. "Your certificate uses SHA-1 signing but your partner requires SHA-256" instead of just "MDN failed."
Catch certificate problems first
Expired certs, wrong key sizes, missing intermediates, format mismatches, and chain validation issues, all caught before you spend a week debugging at the connection level.
AI assistant with your industry knowledge built in
Upload your AS2/EDI documentation and get answers specific to your setup. An assistant that answers from your own partner specs, compliance docs, and internal runbooks, not from generic web content.
Knowledge base for your team
Upload partner setup guides, compliance docs, and configuration references. The AI assistant uses them to give accurate, context-aware answers about your specific connections.
Three steps. No partner coordination needed.
Test your endpoint independently. Know what's wrong before you email anyone.
Configure your endpoint
Enter your AS2 ID and endpoint URL. Upload your certificate in any format (PEM, DER, PKCS#12, JKS). We validate key size, expiration, and chain integrity automatically.
Launch the partner simulator
Our sandbox acts as your trading partner, sending and receiving AS2 messages exactly like a real partner would. Test outbound, inbound, or full round-trip.
Get your diagnostic report
In under 60 seconds you get an A-F grade, pass/fail on every check, specific fix guidance, and an exportable report. Know exactly what's working before your real partner comes online.
Works with your AS2 platform
AS2 Certify tests against any RFC 4130-compliant endpoint, regardless of which platform your trading partner runs.
Essential AS2 Resources
Quick access to our most valuable guides and free tools.
Troubleshooting Guide
Deep dive into the 6 most common AS2 failures.
How to Test an AS2 Connection
Step-by-step guide to testing AS2 without a trading partner.
AS2 Implementation Checklist
Everything to verify before your AS2 connection goes live.
AS2 Connection Tester
Run a free diagnostic against any AS2 endpoint in seconds.
AS2 Certificate Checker
Instantly validate your public certificate chain and format.
EDI Document Validator
Validate X12 and EDIFACT documents for structural errors.
AS2 Configuration Generator
Generate partner config files for OpenAS2, Mendelson, etc.
Walmart EDI AS2 Guide
The complete setup guide for Walmart suppliers.
AS2 vs SFTP Comparison
When to use secure messaging vs. simple file transfer.
$149/mo vs. 40 hours of engineer time
A single failed AS2 onboarding costs your team 2-5 engineer-days at $150/hr.
That's $2,400-$6,000. AS2 Certify pays for itself the first time you use it.
Free
See what your connection looks like.
- 3 tests per month
- Full 8-step diagnostic
- Partner simulator sandbox
- Certificate validation
Pro
For teams who test connections regularly.
- Unlimited tests
- Detailed fix guidance reports
- AI assistant + knowledge base
- Bidirectional verification (beta) including inbound testing
- Weekly scheduled re-tests with grade-drop alerts
- Certificate expiry alerts at 30, 14, and 3 days
- 30-day test history
- Email support
Expert Audit
A one-time expert review of your AS2 setup. No subscription, no auto-renewal.
- Expert review of your AS2 configuration
- Every failing check mapped to its root cause
- Prioritized fix list in 1 business day
- Written report + 30-min call with an experienced AS2 engineer
Enterprise
API access, a dedicated relationship, and the DSCSA compliance module.
- Everything in Pro
- REST API access + key management
- DSCSA compliance module
- Partner-change detection on scheduled runs
- Priority test queue
- Dedicated support with SLA
All plans include the full 8-step diagnostic. Compare plans in detail. Upgrade or cancel anytime.
Know your AS2 connection works
before it has to.
Run your first test in under 60 seconds. No credit card, no setup call, no partner coordination.