Price is not an acceptance score
Number prices vary by product, service, country, current upstream cost, and availability. Those factors do not establish how a third-party service will treat a particular number.
Use price as a budget input only. A higher price does not guarantee acceptance, and a lower price does not prove poor quality.
Match the country to the platform
Each service defines which countries and number types it accepts. Check its rules and choose a country consistent with the account details and eligibility requirements.
If an attempt does not deliver a code, check the entered format and use the recovery options shown on the order. Trying another eligible country may help, but it cannot guarantee acceptance.
Read the availability, not just the price
An in-stock country can be assigned without joining the sourcing queue. An out-of-stock order may queue until a number becomes available or the order gives up under its live limit.
When timing matters, start with an eligible country that currently shows availability. Stock still does not guarantee that the sending service will accept the number or deliver an SMS.
A simple decision order
Start with a country that the service permits, then compare current availability and the exact price shown before confirmation. Enter the issued number in the format the service requests.
If no code arrives, follow the order card: resend through the destination service when appropriate, use replacement or country switching when offered, or cancel under the displayed terms. Undelivered OTP codes are not charged.