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    AngelBacked
    Angel prospecting on autopilot

    Find Infrastructure angel investors with your AI agent

    AngelBacked tracks 681 angels and VCs who invest in Infrastructure. Connect it to Claude, ChatGPT or Cursor and your agent can search them, check who backed what, and pull emails for the ones worth a conversation, without you leaving the chat.

    Get your API keyBrowse Infrastructure investors

    Included with the Annual plan. Data updated October 2026.

    681
    Infrastructure investors your agent can search
    46
    based in San Francisco, the largest hub
    109
    Infrastructure rounds tracked in the last 90 days

    Prompts that work for Infrastructure

    Paste one into your agent once AngelBacked is connected.

    “Find Infrastructure angels in San Francisco who have backed at least 10 companies, and rank them by fit for my seed round.”
    “Who backed Vertical Bridge Holdings? Shortlist the ones who also invest in Infrastructure and draft a first email to each.”
    “Show me Infrastructure rounds from the last 60 days, then find angels who backed similar companies.”
    “Build me a list of 50 Infrastructure investors with emails, skipping anyone I already contacted.”

    Infrastructure specialists

    Most co-backed companies

    Companies backed by the most Infrastructure investors. Ask your agent who backed them.

    • Vertical Bridge Holdings31 investors
    • Talan28 investors
    • Aernnova Aerospace27 investors
    • Ceres27 investors
    • CSTV Networks27 investors
    • CyOptics27 investors

    Where they are

    • San Francisco46
    • London41
    • Paris21
    • Houston17
    • Boston14

    Latest Infrastructure rounds

    What recent_funding_rounds returns for this market right now.

    CompanyStageAmountDate
    GMI CloudSeries B$223MSep 30
    SnowflakePost-IPO Debt$3.8BSep 29
    SiMa.aiSeries C$150MSep 28
    BiltPre-Seed$700KSep 28
    PhalaCorporate Round$1.0MSep 27

    Connect in one line

    Create a key in Account Settings, then add the server. In Claude Code:

    claude mcp add --transport http angelbacked https://www.angelbacked.co/api/mcp \
  --header "Authorization: Bearer ab_your_key"

    Your agent will call it like this:

    {
  "name": "search_investors",
  "arguments": {
    "market": "Infrastructure",
    "location": "San Francisco",
    "min_portfolio": 10
  }
}

    Claude desktop, ChatGPT and Cursor instructions are in the full setup guide.

    Questions

    Can an AI agent find Infrastructure angel investors?

    Yes. Connect AngelBacked to Claude, ChatGPT, Cursor or any MCP client and your agent can search the 681 Infrastructure investors in the database, filter them by location and activity, read their portfolios and reveal the emails of the ones you want to contact.

    Where are most Infrastructure investors based?

    By AngelBacked's data the largest groups are in San Francisco (46), London (41), Paris (21), Houston (17), Boston (14). Ask your agent for "Infrastructure angels in San Francisco" to start there.

    What does it cost?

    MCP and API access is included with the AngelBacked Annual plan. Fair-use limits apply: 150 requests a day, 25 results per request, and email reveals from the same allowance as the website.

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