# AI tools for “B2B API”

1,879 matching tools; showing 24, ranked by relevance.

Related categories: [ai-api](https://openaitools.app/category/ai-api.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Why it matched | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Crustdata](https://openaitools.app/tool/crustdata) | 100,533 | +1.2% | Contact for Pricing | Real-time B2B people and company data for AI agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/crustdata.md) |
| 2 | [ColdIQ](https://openaitools.app/tool/coldiq-x-slack) | 195,701 | -14.8% | Freemium, Paid, Contact for Pricing | One GTM data API for prospecting, enrichment and AI agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/coldiq-x-slack.md) |
| 3 | [OpenAI Platform](https://openaitools.app/tool/openai) | 234,678,639 | -9.6% | Paid | Enterprise developer platform and API for deploying GPT-6 Astra, Sol, Luna, and realtime multimodal agents. | category: ai-api; semantic match | [.md](https://openaitools.app/tool/openai.md) |
| 4 | [LinkupAPI](https://openaitools.app/tool/linkupapi) | 37,347 | +7.1% | Paid | One outreach API to reach prospects on LinkedIn, email, WhatsApp and iMessage | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/linkupapi.md) |
| 5 | [OpenRouter](https://openaitools.app/tool/openrouter-ai) | 19,941,437 | -6.2% | Paid | One API key for hundreds of AI models from every major provider | category: ai-api; semantic match | [.md](https://openaitools.app/tool/openrouter-ai.md) |
| 6 | [Airscale](https://openaitools.app/tool/airscale) | 17,308 | -20% | Contact for Pricing | Build and enrich outbound prospect lists with 50+ data providers | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/airscale.md) |
| 7 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | category: ai-api | [.md](https://openaitools.app/tool/claude-2.md) |
| 8 | [Humantic AI](https://openaitools.app/tool/humantic-ai) | 149,707 | +7.7% | Contact for Pricing | Buyer Intelligence that tells sales who the buyer really is | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/humantic-ai.md) |
| 9 | [YouCam AI & AR Business Solutions](https://openaitools.app/tool/youcam-ai-ar-business-solutions) | 2,535,821 | -6.9% | Contact for Pricing | AI and AR virtual try-on, skin analysis and APIs for beauty, fashion and retail brands | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/youcam-ai-ar-business-solutions.md) |
| 10 | [Groq](https://openaitools.app/tool/groq) | 3,987,936 | +10% | Paid | Ultra-fast AI inference on the LPU and LPX platform | category: ai-api; semantic match | [.md](https://openaitools.app/tool/groq.md) |
| 11 | [DeepSeek](https://openaitools.app/tool/deepseek) | 372,761,591 | +4.3% | Freemium | High-efficiency open-weight and hosted reasoning AI powered by DeepSeek-V4 and R1 at ultra-low token costs. | category: ai-api | [.md](https://openaitools.app/tool/deepseek.md) |
| 12 | [Databar.ai](https://openaitools.app/tool/databar-ai-2-0) | 34,140 | -27.4% | Freemium, Paid | 160+ data providers behind one table, API and MCP server | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/databar-ai-2-0.md) |
| 13 | [GetSales.io](https://openaitools.app/tool/getsales-io) | 48,994 | -11.2% | Free Trial, Paid | One cockpit for LinkedIn and email outreach, built for agencies and GTM teams | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/getsales-io.md) |
| 14 | [Kie.ai](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api) | 2,275,553 | -22.4% | Pay-as-you-go | One API key for video, image, music, and chat models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/kie-ai-affordable-secure-deepseek-r1-api.md) |
| 15 | [Branded](https://openaitools.app/tool/gobranded-com) | 3,704,728 | +6.6% | Contact for Pricing | Targeted research audiences with AI-verified data quality | category: ai-api; semantic match | [.md](https://openaitools.app/tool/gobranded-com.md) |
| 16 | [Google AI Studio](https://openaitools.app/tool/google-ai-studio) | 112,620,020 | +2% | Freemium | Google's rapid prototyping IDE and developer API workbench for building multimodal applications with Gemini models. | category: ai-api | [.md](https://openaitools.app/tool/google-ai-studio.md) |
| 17 | [AI/ML API](https://openaitools.app/tool/ai-ml-api) | 232,946 | -20.1% | Pay-as-you-go credits (free to start); enterprise custom pricing on request | One universal API for 500+ AI models and 1,000+ agentic tools | category: ai-api; semantic match | [.md](https://openaitools.app/tool/ai-ml-api.md) |
| 18 | [Composio](https://openaitools.app/tool/composio) | 2,782,603 | +22.8% | Freemium, Contact for Pricing | Give your AI agents secure, authenticated access to 1,700+ apps | category: ai-api; semantic match | [.md](https://openaitools.app/tool/composio.md) |
| 19 | [AI Ark](https://openaitools.app/tool/ai-ark) | 90,788 | -30.7% | Freemium, Contact for Pricing | AI-powered B2B data platform for finding verified contacts, companies, and lookalike audiences | keywords 100%; semantic match | [.md](https://openaitools.app/tool/ai-ark.md) |
| 20 | [Reachfast.ai](https://openaitools.app/tool/reachfast-ai) | 3,274 | +83.2% | Free Trial, Contact for Pricing | Verified B2B direct dials and emails from LinkedIn profiles | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/reachfast-ai.md) |
| 21 | [The Swarm](https://openaitools.app/tool/the-swarm) | 18,379 | +50.6% | Freemium | Reveal the 99% of your network that warm intros actually come from | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/the-swarm.md) |
| 22 | [Atlas Cloud](https://openaitools.app/tool/atlas-cloud) | 777,031 | -16.4% | Paid | One OpenAI-compatible API for 500+ image, video, audio, and LLM models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/atlas-cloud.md) |
| 23 | [Treg](https://openaitools.app/tool/treg) | 452,935 | +223.4% | Freemium | One key for 4,100+ agent tools, pay per call | category: ai-api; semantic match | [.md](https://openaitools.app/tool/treg.md) |
| 24 | [Merge](https://openaitools.app/tool/merge-dev) | 313,201 | +1.7% | Freemium, Contact for Pricing | The universal context engine connecting agents to data, tools, and models | category: ai-api; semantic match | [.md](https://openaitools.app/tool/merge-dev.md) |

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Source: https://openaitools.app/?q=B2B%20API

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