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DomainTools API Guide: Pricing

Access to each API product requires a monthly subscription fee and access fees to cover your individual usage. All fees are debited against your API funding account, a pool of funds you establish and refill as you determine. API charges are debited solely from this fund, subscription fees as they come due and access fees in real time as they are incurred.

API Product Pricing
Product
Monthly Subscription
Access Rate
Domain Profile
$39.95
$0.0025 / query
Whois Lookup
$39.95
$0.005 / domain
Whois History
$39.95
$0.95 / domain
Hosting History
$39.95
$0.15 / domain
Reverse IP
$39.95
$0.01 / domain
Name Server Report
$39.95
$0.01 / domain
Domain Suggestions
$39.95
$0.005 / query
Domain Search
$39.95
$0.005 / query
Mark Alert
$39.95
$0.03 / query**
Registrant Alert
$39.95
$0.03 / query**
**
Brand Alert and Registrant Alert are each processed once per day per query and require that customers set up daily recurring queries in order to ensure continuous reporting accuracy

The price of any Reverse Whois Report is calculated as the sum of the prices of the current and historical domains in that report. The tables below detail the pricing tiers for current and historical domains.

Current Domains*
in Report
Price
1 - 10 $49
11 - 100 $99
101 - 250 $199
251 - 500 $299
501 - 1000 $399
1001 - 2500 $499
2501 - 5000 $749
5001 - 10,000 $999
10,001+ $0.10/Domain
+
Historical Domains*
in Report
Price
1 - 10 $147
11 - 100 $297
101 - 250 $597
251 - 500 $897
501 - 1000 $1,197
1001 - 2500 $1,497
2501 - 5000 $2,247
5001 - 10,000 $2,997
10,001+ $0.30/Domain
* Current Domains are those domains for which your search terms exist in the current whois record only.
* Historical Domains are those domains for which your search terms exist in whois records prior to the current record only (and not in the current record).
Example:

Your Reverse Whois Lookup has yielded 18 domains. 7 of the domains are current, for a price of $49. The remaining 11 domains are historical, for a price of $297. The total price for this Reverse Whois Report is $346.