Here is the pricing for bing custom search api



Bing custom search API

Statistics features (metrics such as API call volume, top queries

Image search

Bing custom autosuggest

Transactions per second

Your Text

S1

$4

per 1000 transactions

100

S2

$5

per 1000 transactions

150

S3

$6

per 1000 transactions

150

S4

$4

per 10000 transactions

150

Tier S1,S 2,S3 provide only custom search api capabilities (meaning search results will appear after user presses “search” button) If you want to enable Autosugesst ( search results as you type ) you will have to combine any of S1, S2 , S3 with S4

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Categories: bing custom search