TheirStack — List the technologies a company uses, each with confidence (low/medium/high), the number of job posts mentioning it, and first/last dates seen. Pass ONE of `company_domain` (preferred), `company_name`, `company_linkedin_url`; optional `keyword_category_slug_or`, `confidence_or`, `min_jobs`, `limit` (rows). Flat vendor cost per company lookup regardless of rows; free upstream when the company isn't found.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.25 USDC | 0x7c65...6C40 |