LDN/ai Sourcing API

Authentication

Pass your beta key via ?key=YOUR_KEY query parameter or X-Beta-Key header.

🎯 Thesis Matcher

Find companies matching your investment criteria. Filter by category, funding range, founding year, and keywords. Returns match-scored results ranked by relevance.

GET ?action=match Find companies matching criteria ▸

Param	Type	Description
category	string	Comma-separated: frontier, enterprise, fintech, biotech, defence, generative, hardware, devtools, safety, autonomous
min_funding	int	Minimum funding in $M
max_funding	int	Maximum funding in $M
founded_after	int	Year (e.g. 2022)
q	string	Keyword search across focus, founders, milestones

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📡 Signals Feed

Real-time ecosystem signals for deal sourcing. Track fundraising intent, hiring, product launches, team changes, partnerships, and more.

GET ?action=signals Ecosystem signals feed ▸

Param	Type	Description
type	string	Comma-separated: fundraising_intent, hiring, product_launch, team_change, partnership, acquisition, expansion, regulatory
company	string	Filter by company ID
strength	string	strong, medium, weak
since	date	ISO date (e.g. 2026-01-01)
limit	int	Max results (default 50)

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🔗 Connection Path Finder

Find warm intro paths between any two entities in the London AI graph. Returns shortest path with enriched node names and edge types. 1,128 precomputed paths across 246 direct and 882 two-hop connections.

GET ?action=path Warm intro routing ▸

Param	Type	Description
from	string	Source node ID (e.g. gv, balderton)
to	string	Target node ID (e.g. mmc, wayve)

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🤝 Co-Investor Analysis

Discover which investors frequently co-invest in London AI. Query for a specific investor's co-investment patterns, or get the global co-investment matrix.

GET ?action=coinvest Co-investment patterns ▸

Param	Type	Description
investor	string	Investor ID (optional). Omit for global matrix. Examples: mmc, balderton, sequoia-eu, nvidia-inv

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🏗️ Portfolio Overlap

Which London AI companies are backed by multiple investors in our graph? Shows the most "consensus" bets — companies where multiple top-tier investors have conviction.

GET ?action=overlap Multi-investor companies ▸

No parameters — returns all companies with 2+ investors.

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👥 Hiring Leaderboard

Who's hiring most aggressively in London AI? Roles classified into engineering, research, go-to-market, product, and leadership. Scraped weekly from company careers pages.

GET ?action=hiring Open roles ranked by volume ▸

Param	Type	Description
category	string	Sort by: engineering, research, gtm, leadership (default: total)

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⭐ GitHub Activity

Open-source activity across London AI companies. Stars, repos, forks, and recent activity — tracked weekly.

GET ?action=github Open-source leaderboard ▸

No parameters — returns all companies with GitHub orgs tracked.

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🏛️ Companies House Data

UK registered company data — officers, persons of significant control (PSC), filing dates, SIC codes. Sourced from the free Companies House API.

GET ?action=ch Officers, PSC, filings ▸

Param	Type	Description
company	string	Company ID (optional — omit for all)

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🔍 New Company Detector

Newly registered AI companies in London — cross-referenced against our people graph to detect ex-DeepMind / Anthropic / etc. founders starting new ventures.

GET ?action=new_companies New AI registrations ▸

Param	Type	Description
status	string	new, reviewed, added, irrelevant (default: new)

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Live Data

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Integration

All endpoints return structured JSON. Use with Affinity, Notion, custom agents, or any tool that speaks HTTP. Agent-ready via the public OpenAPI spec.