Simple Signature · Troubleshooting
You skipped the third-party access at install
What to check, and how to fix it.
Last updated 9 Oct 2026
What to do
Some features cannot reach the web sites they need. Add them by hand in Setup.
- In Trusted URLs, add
https://api.qrserver.com. - In Remote Site Settings, add one remote site for each of
https://api.addressverificationapp.com,https://docs.googleapis.com,https://script.googleapis.comandhttps://www.googleapis.com.
Applies to
Simple Signature 5.8.x. This fix comes from the tested Simple Signature implementation guide.
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Related
- All Simple Signature troubleshooting
- Install the newest version of Simple Signature. TAF works on bugs in the newest version only.
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