# Flight Price Tracker: Google Flights Fares by Route An automation tool your agent can run on one prepaid apifare key. Page: https://apifare.com/tools/scrapemint/flight-price-tracker ## What you need An apifare key with credits (sign up: POST https://apifare.com/v1/signup {"email": "..."}; new accounts get 500 free credits). No other account or key. ## Inputs - `routes` (array): Routes - `departureDates` (array): Departure dates - `returnDates` (array): Return dates - `departDaysAhead` (integer): Depart days ahead (e.g. 30) - `dateWindowDays` (integer): Date window (days) (e.g. 7) - `tripType` (string): Trip type (e.g. "one_way") The most relevant fields; the search result's input_schema lists all of them. ## Price 5 credits reserved per run, settled to the run's true cost, never more than 20 credits (1 credit = $0.01). Failed runs are refunded. Exact numbers: https://apifare.com/capabilities ## Run it 1. Find it: MCP search_apis, or GET https://apifare.com/v1/search?q=Flight%20Price%20Tracker%3A%20Google%20Flights%20Fares%20by%20Route with Authorization: Bearer . Take the result named "Flight Price Tracker: Google Flights Fares by Route"; it carries a proxy_route. 2. Run it: MCP proxy_call with that proxy_route and the input JSON (apifare-mcp over stdio), or POST the proxy_route over HTTP with the input JSON as the body and the same Authorization header. 3. On HTTP 402, relay the body's human_readable field to your human verbatim, wait, then retry the same call. Every other error and its fix: https://apifare.com/errors.md