Fibr
Agentic website personalization: AI agents that adapt every page to each visitor in real time.
About
Fibr AI is a San Francisco martech startup founded in 2023 by Ankur Goyal and Pritam Roy. Its platform sits as a layer on top of an existing website and deploys autonomous AI agents that infer visitor intent from ad, CRM and on-site signals, then dynamically assemble page copy, imagery and layout for each visitor or segment. Instead of sequential A/B tests, the vendor says the system runs thousands of micro-experiments in parallel and optimizes continuously, with early clients reporting 18-34% conversion uplifts.
Accel led a $5.7M seed round (reported February 2026) following a $1.8M pre-seed in 2024, bringing total funding to $7.5M, with WillowTree Ventures and MVP Ventures participating. Early adoption is concentrated in banking, financial services, telecom and healthcare, where the company says it has secured three- to five-year contracts.
What it can do
- Autonomous AI agents embedded per URL
- Real-time page content, layout and visual adaptation
- Intent inference from ads, CRM and on-site behavior
- Thousands of parallel micro-experiments (vendor claim)
- Context graphs for visitor understanding
- Targets both human visitors and AI-driven traffic
Setup
- Contact Fibr AI via fibr.ai for an enterprise pilot.
- Install the Fibr layer on your website (no CMS rebuild required, vendor claim).
- Connect customer data, analytics and ad platforms.
- Define guardrails for brand consistency.
- Launch agents and monitor experiments and conversion impact.
Prerequisites
Enterprise website with meaningful traffic; access to CRM, analytics and ad platforms for signal ingestion.
Use cases
Works with
Trust score — 7/10
Scored 7/10 (TIER metrics, metrics-v1). Evidence: $7.5M total funding with the $5.7M seed led by Accel (reported Feb 2026); named founders (Ankur Goyal, Pritam Roy); enterprise traction in regulated verticals per Accel partner statements. Strengths: top-tier lead investor doubling down, clear product thesis, early enterprise contracts claimed. Docked for: (1) conversion uplifts (18-34%) and contract terms are company-reported, no independent verification; (2) no public pricing and thin independent review coverage at seed stage. License: proprietary commercial.
How the trust score is built
Full methodology →- Adoption · stars/downloads, log-scaled vs peers
- 6.0/10
- Maintenance · recency, releases, issue load
- 8.0/10
- Openness · license + docs
- 5.0/10
- Manual review · sanity read + red-flag check
- 6.0/10
- · $7.5M total funding; $5.7M seed led by Accel reported Feb 2026
- · Named founders Ankur Goyal and Pritam Roy; enterprise traction in regulated verticals per Accel
- · No public pricing; 18-34% uplift claims are company-reported
Sources
Every fact above was checked against these sources. Where a claim comes from the provider and couldn't be independently verified, the text says so.