PW

Pwned Passwords

security:pwned-passwords · haveibeenpwned.com/API/v3#PwnedPasswords ↗

Live

k-anonymity range search over 900M+ breached password hashes (Have I Been Pwned). Send only the first 5 SHA-1 characters.

1 endpoints1 live0 callsBulk supported

About the Pwned Passwords API

Pwned Passwords API on Apizie: 1 endpoint (Hash range) returned as clean JSON through one API key. 1 endpoint is live now. Call it over REST at https://apizie.tech/v1/security:pwned-passwords/{endpoint} or from Claude, ChatGPT and Cursor through the Apizie MCP server. Free plan: 1,000 requests a month.

Project keysecurity:pwned-passwords
StatusLive
Endpoints1
CategorySecurity
Sourcehaveibeenpwned.com/API/v3#PwnedPasswords
Base URLhttps://apizie.tech/v1/security:pwned-passwords/{endpoint}
For AI toolsOpenAPI spec · Markdown (what is this?)

Pwned Passwords API FAQ

How do I call the Pwned Passwords API?

Create a free Apizie key, then send GET https://apizie.tech/v1/security:pwned-passwords/range with the header x-api-key. Every endpoint returns { project, data, timestamp }.

Is the Pwned Passwords API free on Apizie?

Yes. The Free plan includes 1,000 requests a month at 100 requests a minute, no credit card.

Can AI agents use the Pwned Passwords API?

Yes. Add the Apizie MCP server (https://apizie.tech/mcp) to Claude, ChatGPT, Cursor or VS Code, then ask in plain language. The agent calls run_scraper with project key security:pwned-passwords.

What is the status of the Pwned Passwords API?

Live: works with just an Apizie key

Use Pwned Passwords from MCP

Add Apizie to your agent once, then ask for “Pwned Passwords”: the agent calls run_scraper with security:pwned-passwords.

claude mcp add --transport http apizie https://apizie.tech/mcp \
  --header "x-api-key: apz_••••••••"