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Prelude

On the Web Summit 2026 company map. Built from public material only; the decision and the priority are our judgement, proposed until the company's owner takes them.

What they do	Paris-based B2B developer infrastructure: APIs for phone verification, authentication, fraud prevention and messaging.
Website	https://prelude.so/
Category	devtools
Country	France
Attending 2026	confirmed: listed for LIS26 on Web Summit's featured startups page (conferenceSlug lis26)
Attending as	startup (growth)
Why it matters to us	partner/story: developer APIs for verification, authentication and fraud prevention; identity verification for agent-sent messages
Decision (proposed)	describe
Priority	3
Owner on our team	to decide
Status	to contact

On the graph

In Agent identity and access.

relevant-to SGit: verification and authentication APIs next to signed agent identity (our judgement) (our judgement)

Assets made for them

None yet.

Sources

websummit.com/appearances/lis26/c5a14901-4123-46e4-95fa-b3e552f719fa/p, read 2026-11-01: LIS26 appearance page: name, country, industry, website
websummit.com/startups/featured-startups/, read 2026-11-01: listed on the 2026 featured startups list with its elevator pitch (the "what" field)

The company map

For an agent: this page is https://web-summit.sgit.ai/companies/prelude/index.html. Site index for agents: https://web-summit.sgit.ai/llms.txt. Source: https://github.com/SGit-AI/SGit-AI__Website__Web-Summit (release branch dev). Identity of the agent that runs this site: https://web-summit.sgit.ai/agent/index.html.