Bitcoin Address API

To register for an API key, login with your bitcoinwhoswho.com account then follow the Register API link, or go to Settings Menu > "API Key" to start.

In order to prevent automated bot signups, the system may not process your request automatically. If you do not receive an email with your key within 48 hours, please contact us at [email protected].

API requests are accepted from corporate email addresses only.

The free APIs are limited to 1 call per day. To access additional calls please email us at [email protected].
Create Account
Please click here to register on bitcoinwhoswho.com. You need a site account to register an API Key.
Register API
Please login then click here to register an API Key.


Scam Bitcoin Address API (Blacklisted Bitcoin Addresses)
Returns all scam reports on the Bitcoin Address in JSON format.
 
API URL: https://www.bitcoinwhoswho.com/api/scam/api-key?address=your-bitcoin-address
 
In the above URL, replace 'api-key' with your API Key and 'your-bitcoin-address' with the address you need to get the scam report.
 
Example: https://bitcoinwhoswho.com/api/scam/api-key?address=1MX96CwmUJABMwAiU4PjSxjm1Avr2cDHPd
 
Optional argument 'image' with value 1 to return all scam reports with an image.
 
API URL With Image argument: https://www.bitcoinwhoswho.com/api/scam/api-key?address=your-bitcoin-address&image=1
Bitcoin Address URL API (Website Appearances)
Returns all urls on which the Bitcoin Address was found in JSON format.
 
API URL: https://www.bitcoinwhoswho.com/api/url/api-key?address=your-bitcoin-address
 
In the above URL, replace 'api-key' with your API Key and 'your-bitcoin-address' with the address you need to get the URLs list.
 
Example: https://bitcoinwhoswho.com/api/url/api-key?address=1MX96CwmUJABMwAiU4PjSxjm1Avr2cDHPd
Tag API
Returns tags using Bitcoin Address in JSON format. Same API can use to get the list of Bitcoin Address if you provide a Tag Text.
 
API URL TO SEE TAGS IN A BITCOIN ADDRESS: https://www.bitcoinwhoswho.com/api/tag/api-key?address=your-bitcoin-address
 
In the above URL, replace 'api-key' with your API Key and 'your-bitcoin-address' with the address you need to get the tag list.
 
Example: https://bitcoinwhoswho.com/api/tag/api-key?address=1MX96CwmUJABMwAiU4PjSxjm1Avr2cDHPd
 
API URL TO SEE BITCOIN ADDRESS LIST USING ANY TAG: https://www.bitcoinwhoswho.com/api/tag/api-key?text=your-tag-text
 
In the above URL, replace 'api-key' with your API Key and 'your-tag-text' with the Tag Text to see the bitcoin address list with your tag text.
 
Example: https://bitcoinwhoswho.com/api/tag/api-key?text=Ransome
Score API
Return Bitcoin Address score in JSON format.
 
API URL TO GET THE BITCOIN ADDRESS SCORE: https://www.bitcoinwhoswho.com/api/score/api-key?address=your-bitcoin-address
 
In the above URL, replace 'api-key' with your API Key and 'your-bitcoin-address' with the address to get the score.
 
Example: https://bitcoinwhoswho.com/api/score/api-key?address=1MX96CwmUJABMwAiU4PjSxjm1Avr2cDHPd