action tfl_stop_point_direction { label: "Returns the canonical direction, \"inbound\" or \"outbound\", for a given pair of stop point Ids in the direction from -> to." provider: tfl method: GET path: "/StopPoint/{id}/DirectionTo/{toStopPointId}" encoding: json input: { type: "object" properties: { id: { type: "string" } lineId: { type: "string" } toStopPointId: { type: "string" } } required: ["id", "toStopPointId"] additionalProperties: false } output: { type: "string" } }