Service: categorizes product listings (and other short text) into a fixed set of labels, verified by model consensus and audits.
Free: first 100 items free after POST /v1/signup {"email"}. Then pay per item from balance (Stripe via POST /buy kind=deposit) or per request with x402 (USDC) without an account.
Sync: up to 50 items answered immediately; larger batches are queued and downloadable as CSV from results_url.
Privacy: default tier is private (processed only by our own models). tier=public is 30% cheaper and may be processed by vetted external agents. Never send personal data; rows containing emails/phones are rejected.
Accuracy: audited samples are reported at /v1/jobs/:id. Unresolved items are not billed.
Agents: MCP endpoint /mcp; tools are paid with Work Units (answer a small task on your next call) or prepaid credits.
Shopify: install the app; products are tagged automatically; billing through Shopify.