The Scenario
It is the week before the quarterly credential rotation and you are staring at an Excel workbook with 15 rows — each one a Turso API token issued to a different microservice. Column A holds the token string, column B holds the service name. Someone on the team added a few new entries in the last sprint without tracking the expiry dates. Nobody wrote them to column D.
The bad version:
- You copy token by token into Turso's API documentation to manually test each one, noting whether it comes back valid or throws a 401.
- You try to decode the expiry timestamp embedded in each token string — which requires base64 decoding the payload, parsing the JSON, and converting the Unix epoch to a readable date.
- You paste the results back into the workbook row by row, trying not to mix up which result belongs to which service while you're switching between browser tabs.
The rotation deadline is Thursday. There are 15 tokens. You are also supposed to be finishing the service dependency audit. Spending the next two hours on manual token validation is not in the plan — it is not work you were hired to do, and it's the kind of work that produces errors when done manually at speed.
The Easy Way: One Prompt in SheetXAI
SheetXAI is an AI agent that lives inside your Excel workbook. It reads the data in front of you and talks to Turso through its built-in integration — so instead of validating each token manually, you describe what you need and SheetXAI handles the API calls and writes the results back.
Validate each Turso API token in column A and write 'valid', 'expired', or 'invalid' to column C. Write the expiration timestamp to column D. Mark column E as 'ROTATE' for any token expiring within 30 days.
What You Get
- Column C fills with a status string for every row: "valid", "expired", or "invalid" — no ambiguous API codes, just a readable label.
- Column D receives the expiry timestamp in ISO 8601 format, consistent across all rows regardless of how the token payload encoded it.
- Column E shows "ROTATE" next to any token expiring within the 30-day window, and stays blank for the rest — so you can filter column E to get your rotation list immediately.
- Any token that could not be validated surfaces an "invalid" status with the specific error reason written to a tooltip or adjacent cell, so you know whether it was a network issue or a revoked credential.
What If the Data Is Not Quite Ready
The token strings have trailing whitespace from a CSV import
Before validating, trim whitespace from every cell in column A, then validate each token and write the status to column C and the expiry to column D.
Some rows are missing a service name in column B
Validate the tokens in column A. Skip any row where column B is blank and write "NO SERVICE LABEL" to column C for those rows. For the rest, write the status to column C and the expiry to column D.
The token list spans two sheets — "Active Tokens" and "Legacy Tokens" — and I need results on both
Validate all tokens in column A of the "Active Tokens" sheet and write results to columns C, D, and E on that sheet. Then do the same for column A of the "Legacy Tokens" sheet, writing results to the same columns there.
I need a cleanup pass plus a full rotation-ready summary in one shot
Trim whitespace from column A on the "Tokens" sheet. Validate each token. Write the status to column C and the expiry to column D. Mark column E as 'ROTATE' for anything expiring within 30 days or already expired. Then create a new sheet called "Rotation List" and copy every row flagged 'ROTATE' there with columns A, B, C, D, and E, sorted by expiry date ascending.
The pattern: combine the data cleanup, the validation, and the output formatting into a single ask — SheetXAI handles each step in sequence rather than requiring you to stage them separately.
Try It
If you keep a credential tracking workbook for any set of API tokens — Turso or otherwise — Get the 7-day free trial of SheetXAI and ask it to validate the token column, write back expiry dates, and flag rotation candidates before your next rotation window. When you're done with token validation, the region assignment spoke shows how to use the same setup for infrastructure planning — or head back to the Turso overview for the full picture.