DoubleFifth
ActiveUnified API for Behavioral Data
What it does
We are building Plaid for Behavioral Data—a unified API that allows users to selectively grant developers access to their digital data across various other platforms. We do the difficult work of scraping, building, and maintaining data connectors and transforming disparate data formats into a unified schema, making it immediately useful for developers. Netflix watch history, ride data from Uber, DoorDash order history, or purchase history from Amazon. Everything is cleanly structured and readily accessible. We enable powerful and novel use cases (quicker onboarding, hyper personalized insights/recommendations, consumer intelligence, etc.).
How it has moved
Next to it in Data for AI · behavioral data integration API
- Carbon500 Global
Developer of universal retrieval engine designed to help businesses connect external data sources to their large language models (LLM). The company's system connects external data to vector databases, enabling clients to ingest unstructured data wherever it is stored to enhance capabilities and insights for businesses using large language models.
- BracketY Combinator W22
Two-way syncs between business tools and your database
- RookTechstars TS 2022
ROOK | An API for Wearable and Health Data Integration
- Terra APIY Combinator W21
API for developers and AIs to access health data
- Mundo AIY Combinator W25
High Quality Multilingual Training Data for AI Models
- Klavis AIY Combinator X25
High Quality Coding & Agentic Data for AI labs
- MaxInsightsPlug and Play PnP 2025
We Collect Diverse, Real Data and Visualize the Collection Process in Just One Click
- AbundantY Combinator F24
Agent simulation and RL for researchers