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Playbook

Use RapidAPI when a registered marketplace listing covers the data you need. RapidAPI is a marketplace like Apify: one Deepline-managed key reaches every listing Deepline is subscribed to, but each listing bills against its own plan, so only listings registered in Deepline can be called.
  • Prefer the typed listing tools first: rapidapi_google_web_search for Google organic results and rapidapi_google_image_search for Google Images. They validate inputs, unwrap the listing’s response envelope, and publish an exact per-page price.
  • Use rapidapi_list_listings (free) when you do not know which listings or endpoints exist. It returns each listing’s host, documented endpoints, required inputs, and the typed tool for each endpoint.
  • Use rapidapi_request only for an endpoint on a registered listing that has no typed tool yet. Pass the listing host (or slug), the path, and query or body. Hosts that are not registered are rejected before any call because Deepline cannot price them; ask the Deepline team to register a listing you need.
  • Every call is billed per RapidAPI request. Paginated endpoints bill one request per page: start with pages: 1 and raise it only when you need more than about 20 results, because a larger pages value re-bills the earlier pages.
  • An empty result set from a search listing is a completed search, not an error, and it is still billed. Do not retry it automatically.
  • billed_requests in every result is the count the listing reported in its X-RapidAPI-Billing header. Deepline settles the call from that count; when the header is absent it charges the requested count.
  • Upstream 401 means the RapidAPI key is not subscribed to that listing. 404 and 410 come back as ok: false with the upstream body so you can inspect them; 429 and 5xx stay loud so the shared retry policy applies.
  • Deepline paces calls to the smallest paid plan’s per-second limit across the provider (5 requests per second today); bursts wait briefly for a slot instead of receiving a synthetic 429.

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Examples