Signalbase – Real-time business intelligence API for agents (x402, USDC on Base) (github.com)

Signalbase has launched a real-time business intelligence API tailored for AI agents, allowing payments in USDC via the x402 protocol. Unlike standard data APIs that deliver raw search results, Signalbase's service employs a sophisticated multi-stage quality pipeline. This process includes data aggregation from diverse sources—web, social media, and news—coupled with advanced filtering, deduplication, and classification using large language models (LLMs). The API promises a streamlined feed of actionable buying signals and verified events across eight distinct categories, from lead and funding signals to hiring announcements, with over 130 high-quality signals updated daily. This innovative service is a significant advancement for the AI/ML community, addressing the need for reliable data that can drive intelligent action without ambiguity. The architecture of Signalbase allows agents to autonomously manage data requests without human intervention, ensuring decision-ready information is always at hand. With a pay-per-request model and no subscriptions or API keys required, Signalbase offers an accessible, flexible approach for developers and businesses looking to leverage real-time insights efficiently.