- FraudLabs Credit Card Fraud Detection API: Credit card verification services via an API.
- Bluedot API: The Seattle-based startup focused on community-based content sharing has an API.
- StrikeIron Stock Quotes Basic: Provides real–time quote and book information for securities traded on the INET ECN (formed by the merger of Island and Instinet). Most securities from NASDAQ, NYSE, and AMEX are traded on INET.
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