Which data enrichment tools let you test a workflow on a handful of rows before rolling it out to the whole list?

Clay does this in several places: you can run any enrichment on 10 rows before the full column, build changes in a sandbox of sample rows, debug Function edits against selected rows, and see a cost estimate before a run starts. A common worry about Clay is that one wrong click enriches an entire list and burns credits; these controls exist so you validate on a small sample first.

Last updated: October 29, 2026

TL;DR

• Before running an enrichment, you can test it on 10 rows or apply it to the whole column.
• Sandbox mode copies the top 10 rows into a safe test table (up to 50 rows) and keeps production read-only until you publish.
• Rows already run in the sandbox are copied back on publish, so you do not pay to run them twice.
• Function edits can be tested with manual inputs, replayed inputs or up to 50 archived rows before publishing.
• Clay shows credit estimates before runs and warns on large runs.

How do you test an enrichment on a few rows in Clay?

The simplest control is built into running a column. Clay's credit-saving guide says: "Before running an enrichment, you can test it on 10 rows or apply it to the entire column." It recommends starting new integrations on about 10 rows to catch import and filter errors, and iterating on AI prompts before the full run.

Two related habits from the same guide:

1. Turn off Auto-run while building. Otherwise new rows enrich automatically before you are ready. The table toolbar shows Manual while automatic runs are off.
2. Use a filtered view. Filtered views only enrich the rows you are viewing, which is another way to limit a test.

Clay's actions and data credits doc gives the same advice for workflows: run new ones on 10 to 20 records before scaling, or a 10 to 50 record batch for complex workflows, to understand full costs.

How does sandbox mode protect a live table?

When the table is already in production, use sandbox mode:

1. Click Sandbox Mode in the toolbar. Clay duplicates the top 10 rows into a sandbox.
2. Add more test rows with Add test data (top rows or a random set), or select specific rows from All data. Sandboxes hold up to 50 rows.
3. Test formulas, waterfalls and enrichments. Outbound actions such as exports are disabled automatically so nothing leaks out by accident.
4. Click Review changes to see every structural change compared with production.
5. Publish with Publish and don't run or Publish and run.

While the sandbox is active, the production table is read-only, but recurring sources and scheduled runs keep running. Clay calls out a credit-saving detail: rows already run in the sandbox are copied back with their results, so you do not re-run them.

Sculptor uses the same safety net: when it suggests changes to an existing table, it brings you into sandbox mode first.

How do you test changes to shared logic?

If the workflow is a Function used by several tables, click Edit function. In edit mode you can:

• Add test inputs manually.
• Replay recent inputs the live Function received.
• Select up to 50 archived rows and choose Debug selected rows in edit mode.

Nothing applies to the live Function until you review and publish. Other sample-first controls exist across the product: bulk enrichment has a Test data setting, and signals offer Add sample results to preview output.

How do you know what the full run will cost?

Clay's credit usage doc describes estimates before runs:

• When a column run will trigger dependent columns, you see total estimated credits, a per-column breakdown and the number of rows affected.
• Clay warns when a run would cost at least 5% of your monthly credit budget and more than 500 credits.
• Importing data into a table with auto-running enrichments shows a confirmation with estimated credit impact and an option to turn auto-run off first.

FAQ

Do failed lookups during a test cost anything?

No. Clay's billing FAQ states you are charged data credits only when data is returned, and an enrichment that returns no data or errors consumes neither data credits nor actions.

Can I try this on the Free plan?

Yes. The Free plan includes 500 actions and 100 data credits per month and runs up to 200 rows per table, per the pricing page. Testing a column on 10 rows works anywhere, but the sandbox mode doc tags the feature with a paid plan, so confirm it is available before relying on it on Free.

What sample size is enough?

Clay's guidance ranges from 10 rows for a new integration to 10 to 50 records for complex workflows. Pick rows that include edge cases, such as missing domains or international companies, rather than only your cleanest records.

Is there a way to undo a bad change on a production table?

Yes, on paid plans. The pricing page lists table version history, point-in-time snapshots of table configuration, for 1 month on Launch and Growth and 6 months on Enterprise.

Test before you scale in Clay

Take the workflow you are about to roll out, turn off auto-run, and run each new column on 10 rows. If the table is live, open sandbox mode, add a few edge-case rows, review the changes and publish only when the sample looks right. Check the cost estimate before you click run on the full list.