Module

x/grammy/mod.ts>Api#answerPreCheckoutQuery

The Telegram Bot Framework.
grammyjs/grammY
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method Api.prototype.answerPreCheckoutQuery
import { Api } from "https://dotland.deno.dev/x/grammy@v1.12.4/mod.ts";

Once the user has confirmed their payment and shipping details, the Bot API sends the final confirmation in the form of an Update with the field pre_checkout_query. Use this method to respond to such pre-checkout queries. On success, True is returned. Note: The Bot API must receive an answer within 10 seconds after the pre-checkout query was sent.

Parameters

pre_checkout_query_id: string

Unique identifier for the query to be answered

ok: boolean

Specify True if everything is alright (goods are available, etc.) and the bot is ready to proceed with the order. Use False if there are any problems.

optional
other: Other<R, "answerPreCheckoutQuery", "pre_checkout_query_id" | "ok">

Optional remaining parameters, confer the official reference below

optional
signal: AbortSignal

Optional AbortSignal to cancel the request

Official reference: https://core.telegram.org/bots/api#answerprecheckoutquery