Attribution and revenue sharing for AI answers
2024·Los Angeles·$75M
ProRata.ai, founded by Bill Gross, builds attribution technology that apportions AI-generated answers back to source publishers and splits resulting revenue, and operates the Gist answer engine and Gist Answers on-site search for publishers. It closed a $40M Series B led by Touring Capital in September 2025, bringing total funding above $75M.
Nonprofit collective licensing body behind the RSL standard
2025
The RSL Collective is a nonprofit collective rights organization launched in September 2025 alongside Really Simple Licensing (RSL), an open standard that extends robots.txt with machine-readable licensing terms including pay-per-crawl and pay-per-inference. It is not venture funded.
Per-request marketplace for AI access to publisher content
2023·New York·$31M
TollBit lets publishers detect AI bot traffic and charge AI applications per request for access to their content, and reports on AI crawler and referral activity. It raised roughly $7M in seed funding in March 2024 and a $24M Series A led by Lightspeed in October 2024.
Marketplace for licensed AI training data
2024·London
Human Native runs a marketplace connecting rights holders with AI developers for licensed training data. It announced a seed round of GBP 2.8 million led by LocalGlobe and Mercuri in June 2024; fundingTotalUsd is left null because the round was reported in pounds sterling.
Data licensing platform for AI developers
2024·New York·$10M
Protege connects data owners, including publishers and content businesses, with AI developers seeking licensed training data. Aggregated sources report a $10M seed round.
Synthetic news data and royalty distribution for publishers
2023·Arvada
AskNews supplies structured and synthetic news data to AI developers while routing royalties back to source publishers. Its pre-seed funding amount is undisclosed.