Quick Answer
"Invalid agreement ID" in Adobe Sign (now Acrobat Sign) means the agreement the link points to can't be found — it's usually expired, cancelled, deleted, or the link belongs to a different Adobe account or data region than the one you're signed into. Sign out, open the exact link from the original email, and if it's still dead ask the sender to resend or re-create the agreement.
Symptom fingerprint
The exact strings, error codes, and UI surfaces that map to this issue:
| UI message | Surface | Code |
|---|---|---|
| Invalid agreement ID | Acrobat Sign web page after clicking the email link | — |
| The agreement you are trying to access could not be found | Acrobat Sign error screen | — |
| INVALID_AGREEMENT_ID | REST API / Power Automate connector response | 400 INVALID_AGREEMENT_ID |
What "invalid agreement ID" actually means
Every Adobe Sign agreement has a long unique ID baked into the signing URL. When you click a link, Acrobat Sign looks that ID up in the account and region it was created in. "Invalid agreement ID" means the lookup came back empty — the ID exists in the URL but Adobe can't match it to a live agreement you're allowed to open.
It's rarely a bug on your machine. Nine times out of ten the agreement moved on without you: it expired, got cancelled, was deleted, or you're signed into the wrong Adobe account. I've seen this trip up people who have two Adobe logins — a personal one and a work one — and the browser silently used the wrong session.
Why this happens
Match your situation to one of these before you start clicking around:
- The agreement expired — the sender set a deadline (or the account's default expiry) and it's passed.
- The sender cancelled or deleted it — the ID is now dead even though your email link still has it.
- Wrong account — you're logged into a different Adobe ID than the one the agreement was shared with.
- Wrong data region — enterprise accounts are pinned to a region (e.g. NA1, EU1). A link generated in one region won't resolve if your session is on another.
- A truncated or forwarded link — email clients sometimes break the long URL, or someone pasted only part of it.
- For developers: the API call is hitting the wrong base URI, or using an integration key from a different account than the agreement.
Step-by-step fix
Work these in order — the first two clear most cases.
- 1. Open the original email and click the button/link directly rather than a pasted copy. Don't reuse an old forwarded message.
- 2. Sign out of Adobe completely (adobe.com → your avatar → Sign out), close the tab, then click the link again and sign in with the exact address the email was sent to.
- 3. Try a private/incognito window. This rules out a stale session or a second Adobe account cached in the browser.
- 4. If you're the sender, open Acrobat Sign → Manage. Find the agreement: if it shows Expired or Cancelled, select it and use Remind or re-create/Send again to generate a fresh link.
- 5. If it's genuinely gone (deleted), the ID can't be revived — start a new agreement and resend.
- 6. Developers: confirm you first call GET /baseUris and use the returned apiAccessPoint for every subsequent call, and that the integration/OAuth token belongs to the same account that created the agreement.
Still not working?
If the link is live in the sender's Manage tab but signers still hit the error, the problem is almost always an account or region mismatch on the signer's side, or a corporate proxy rewriting the URL.
- Ask the sender to use "Replace Signer" or resend to the correct email — the address on the agreement must match the one signing.
- On managed corporate laptops, try the link on a phone on mobile data. If it works there, a proxy/security tool is mangling the URL.
- Enterprise admins can confirm the account's data region and make sure external signers aren't being routed to the wrong endpoint.
Frequently asked questions
Why does Adobe Sign say invalid agreement ID when I click the link?
The agreement the link points to can't be found — most often it expired, was cancelled or deleted, or you're signed into a different Adobe account than the one it was sent to. Open the link straight from the original email while signed in with the correct address.
Can I recover an expired or cancelled Adobe Sign agreement?
Not the old link — that ID is dead. The sender needs to open Acrobat Sign → Manage and either resend/re-create the agreement, which generates a new working link. Deleted agreements can't be restored and must be started again.
I keep getting INVALID_AGREEMENT_ID from the Adobe Sign API. What's wrong?
Usually your base URI or account is wrong. Call GET /baseUris first and use the returned apiAccessPoint for every request, and make sure the access token belongs to the same account that created the agreement. An ID from another account or region always returns invalid.
You might also need
More fix guides in Adobe Sign and related areas.
Adobe Sign Signature Invalid & Adobe Acrobat Certificate Not Trusted — Diagnostic Guide
Read Adobe SignAdobe Acrobat Certificate Not Trusted — Trust Store, AATL and Windows Integration Diagnostics
Read Adobe SignCertificate Chain Invalid in Adobe & DocuSign — Intermediate Rebuild and AIA Diagnostics
ReadStill seeing this error?
If these steps don't isolate the root cause inside your environment, an independent consultant can run a structured PKI diagnostic with you over a screen-shared session and deliver a written report identifying root cause, remediation, and — where relevant — the next responsible party (CA, internal IT, or software vendor).
Book a remote diagnostic →Includes a written diagnostic summary. Independent consulting engagement — not affiliated with DocuSign, Adobe, or Microsoft.
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