# Tuski guides

Documentation for using Tuski's agent storefront: what it sells, how to call it, what it costs, and how to recover from errors. The storefront itself: https://agents.tuski.ai/zcj/vkmltrv7k1qu/llms.txt.

- [Validate an email list with Tuski's email validation API](https://agents.tuski.ai/guides/quickstart.md): Tuski validates a list as one job. Create it once, pay per address, then poll for free and fetch verdicts as JSON or CSV.
- [Get Tuski email validation results as JSON pages or a CSV export](https://agents.tuski.ai/guides/results-and-csv.md): Tuski validation jobs return results as JSON pages or a CSV export, paged by limit and offset. Check status when the job is due to finish; reads are free.
- [Tuski email validation result codes: verdicts and quality score](https://agents.tuski.ai/guides/verdicts-and-score.md): What each of Tuski's eight email verdicts tells you to do, and how to use the 0 to 100 quality score beside it.