# AI tools for “Payment API”

1,637 matching tools; showing 24, ranked by relevance.

Filters: `group=coding-development`

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 | [Greip](https://openaitools.app/tool/greip-fraud-prevention) | 44,386 | +8.3% | Freemium, Paid, Contact for Pricing | Real-time AI fraud prevention API for apps and payments | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/greip-fraud-prevention.md) |
| 2 | [Prava](https://openaitools.app/tool/prava) | 3,895 | -44.3% | Free Trial, Contact for Pricing | Payment infrastructure that lets AI agents pay securely on any PSP | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/prava.md) |
| 3 | [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) |
| 4 | [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) |
| 5 | [ZeroClick](https://openaitools.app/tool/zeroclick) | 7,747 | -45.5% | Freemium | Sell your API and services directly to AI agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zeroclick.md) |
| 6 | [Zinc](https://openaitools.app/tool/zinc) | 13,032 | +49% | Paid, usage-based (per successful order and per API call); volume terms via sales | Buy anything online with one API | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zinc.md) |
| 7 | [Zero](https://openaitools.app/tool/zero-xyz) | 6,827 | -46% | Free, Paid | Unblock your AI with on-demand access to thousands of real tools and APIs | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/zero-xyz.md) |
| 8 | [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) |
| 9 | [AIsa](https://openaitools.app/tool/aisa) | 89,162 | -10.3% | Freemium | One key, one schema, 6,000+ APIs for your AI agents | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/aisa.md) |
| 10 | [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 | [.md](https://openaitools.app/tool/openai.md) |
| 11 | [Crevio](https://openaitools.app/tool/crevio) | 45,836 | +41.5% | Free Trial | An AI that operates the whole business, not just one channel | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/crevio.md) |
| 12 | [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) |
| 13 | [Wokey](https://openaitools.app/tool/wokey) | 55,092 | +202.2% | Paid | One verifiable API key for Claude, GPT, Kimi and Grok at a fraction of list price | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/wokey.md) |
| 14 | [Tencent Cloud PalmAI](https://openaitools.app/tool/tencent-cloud-palmai) | 933 | -11.7% | Contact for Pricing | One palm for payments, KYC, and access control | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/tencent-cloud-palmai.md) |
| 15 | [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) |
| 16 | [AiSensy](https://openaitools.app/tool/aisensy) | 811,787 | -3.8% | Freemium | AI-first WhatsApp marketing and engagement platform built on official WhatsApp Business APIs | category: ai-api; keywords 100% | [.md](https://openaitools.app/tool/aisensy.md) |
| 17 | [Waffo.ai (Waffo Pancake)](https://openaitools.app/tool/waffo-ai) | 132,327 | +71.2% | Paid (per transaction, volume discounts) | Ship global revenue with one billing API — payments, tax and compliance included | keywords 100%; semantic match | [.md](https://openaitools.app/tool/waffo-ai.md) |
| 18 | [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) |
| 19 | [DeepL](https://openaitools.app/tool/deepl) | 95,110,871 | -1.7% | Freemium | Enterprise-grade neural machine translation, AI writing refinement, and real-time voice translation across thirty-plus global languages. | category: ai-api | [.md](https://openaitools.app/tool/deepl.md) |
| 20 | [Merchanto](https://openaitools.app/tool/merchanto) | 6,717 | -21.6% | Paid | Stop chargebacks before they happen by resolving disputes at the alert stage | category: ai-api; keywords 100%; semantic match | [.md](https://openaitools.app/tool/merchanto.md) |
| 21 | [Postman](https://openaitools.app/tool/postman) | 1,764,877 | -7.6% | Freemium | Design, test, and govern APIs — now with AI agents in the loop | category: ai-api; semantic match | [.md](https://openaitools.app/tool/postman.md) |
| 22 | [MuAPI](https://openaitools.app/tool/muapi) | 412,788 | +13.7% | Freemium | One API for every generative image, video and audio model | category: ai-api; semantic match | [.md](https://openaitools.app/tool/muapi.md) |
| 23 | [TinyFish](https://openaitools.app/tool/tinyfish) | 1,124,952 | +199.7% | Freemium, Contact for Pricing | One API key for agent-grade web search, fetch, browsing and automation | category: ai-api; semantic match | [.md](https://openaitools.app/tool/tinyfish.md) |
| 24 | [OrcaRouter](https://openaitools.app/tool/orcarouter) | 975,300 | -5.2% | Freemium | One OpenAI-compatible gateway for adaptive LLM routing, guardrails, and spend control | category: ai-api; semantic match | [.md](https://openaitools.app/tool/orcarouter.md) |

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

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