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  "markdown": "Corporate investor.\n\nWebsite: https://www.hubspot.com\n\n## Companies on Anchor Terminal\n\n- **Bland AI**, Funding, June 2026\n  - [Bland AI API + MCP](https://www.anchorterminal.com/tools/bland-ai.md), graded B, 63.9/100\n  - Source: https://www.bland.ai/blog/series-c\n- **ElevenLabs**, Series C, January 2025, through HubSpot Ventures\n  - [ElevenLabs Agents API + MCP](https://www.anchorterminal.com/tools/elevenlabs-agents.md), graded BB, 71.4/100\n  - [ElevenLabs Music API](https://www.anchorterminal.com/tools/elevenlabs-music.md), graded B, 66.9/100\n  - [ElevenLabs Scribe Speech to Text API](https://www.anchorterminal.com/tools/elevenlabs-scribe.md), graded B, 69/100\n  - [ElevenLabs Text to Speech API + MCP](https://www.anchorterminal.com/tools/elevenlabs-tts.md), graded BB, 75.3/100\n  - [ElevenLabs Voice Cloning and Voice Design API](https://www.anchorterminal.com/tools/elevenlabs-voice-cloning.md), graded BB, 74.8/100\n  - Source: https://elevenlabs.io/blog/series-c\n- **OneSignal**, April 2021\n  - [OneSignal](https://www.anchorterminal.com/tools/onesignal.md), graded B, 69.3/100\n  - Source: https://onesignal.com/blog/onesignal-raises-funding-from-hubspot/\n- **Payhawk Limited**, Series B extension, March 2022, through HubSpot Ventures\n  - [Payhawk API + MCP](https://www.anchorterminal.com/tools/payhawk.md), graded C, 57.1/100\n  - Source: https://payhawk.com/blog/payhawk-becomes-first-ever-bulgarian-unicorn-after-raising-100m-in-a-lightspeed-led-series-b-extension\n- **Hyperdoc Inc.**, Series B, September 2025, through HubSpot Ventures\n  - [Recall.ai](https://www.anchorterminal.com/tools/recall-ai.md), graded C, 59.6/100\n  - Source: https://www.recall.ai/blog/recall-ai-series-b-the-api-for-meeting-recording\n\n## Where they invest\n\n- Conversational voice agents, 2\n- Music generation, 1\n- Speech-to-text, 1\n- Text-to-speech, 1\n- Voice cloning \u0026 custom voices, 1\n- Notifications, 1\n- Spend management \u0026 procurement, 1\n- Meeting capture \u0026 meeting infrastructure, 1\n\n## Founders they backed\n\n- [Isaiah Granet](https://www.anchorterminal.com/people/isaiah-granet/), Bland AI\n- [Sobhan Nejad](https://www.anchorterminal.com/people/sobhan-nejad/), Bland AI\n- [Mati Staniszewski](https://www.anchorterminal.com/people/mati-staniszewski/), ElevenLabs\n- [Piotr Dąbkowski](https://www.anchorterminal.com/people/piotr-dabkowski/), ElevenLabs\n- [George Deglin](https://www.anchorterminal.com/people/george-deglin/), OneSignal\n- [Hristo Borisov](https://www.anchorterminal.com/people/hristo-borisov/), Payhawk Limited\n- [Konstantin Dzhengozov](https://www.anchorterminal.com/people/konstantin-dzhengozov/), Payhawk Limited\n- [Boyko Karadzhov](https://www.anchorterminal.com/people/boyko-karadzhov/), Payhawk Limited\n\n## Questions\n\n### Which AI tools has HubSpot invested in?\n\nAnchor Terminal lists Bland AI, ElevenLabs, OneSignal, Payhawk Limited and Hyperdoc Inc. backed by HubSpot.\n\n### How are HubSpot's companies graded?\n\nOn Anchor Terminal's benchmark, Bland AI API + MCP (B, 63.9), ElevenLabs Agents API + MCP (BB, 71.4), ElevenLabs Music API (B, 66.9), ElevenLabs Scribe Speech to Text API (B, 69), ElevenLabs Text to Speech API + MCP (BB, 75.3), ElevenLabs Voice Cloning and Voice Design API (BB, 74.8), OneSignal (B, 69.3), Payhawk API + MCP (C, 57.1) and Recall.ai (C, 59.6).\n\nInvestors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.\n",
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