Pollinations AI Free API (No Signup Required)
Source: https://pollinations.ai/
Description
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+ 1 Pollinations is an open-source AI platform based in Berlin that lets you generate images, text, audio, and video via API -- with zero signup required for basic use. You can hit their endpoints directly with a URL. Free Flux image generation is unlimited and always free. For text and other models, you get Pollen credits (free tier: 1.5 Pollen/week). The API supports Claude, GPT-5, Gemini, DeepSeek, Llama, Mistral, and more.
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+ 5 No-signup usage (anonymous):
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1. Generate an image: open https://image.pollinations.ai/prompt/a%20cat%20coding in your browser. Done.
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2. Generate text: GET https://text.pollinations.ai/your-prompt-here
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+ 8 3. No API key, no account, no headers needed.
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+ 9
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+ 10 Registered usage (more features + higher limits):
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+ 11 1. Go to enter.pollinations.ai and sign up.
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+ 12 2. Get a Publishable key (pk_) for client-side use or a Secret key (sk_) for server-side use.
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3. Use the unified endpoint at gen.pollinations.ai with your key.
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+ 14 4. You start at the Spore tier with 1.5 Pollen/week for free.
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+ 15
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+ 16 Caveat: Publishable keys have limited protection (no Turnstile yet). Never expose secret keys in client-side code.
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+ 17
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+ 19
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+ 21 • Flux (default, always free)
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+ 22 • GPT Image
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+ 23 • Seedream
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+ 24 • Kontext
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+ 25 • Nanobanana
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+ 26
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+ 28 • Claude (default)
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+ 29 • GPT-5
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+ 30 • Gemini
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+ 31 • DeepSeek
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+ 32 • Llama
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+ 33 • Mistral
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+ 34 • Qwen
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+ 35 • Specialized agents: nomnom (web research), polly (coding)
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+ 38 • Text-to-Speech with 30+ voices (OpenAI-compatible)
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+ 39 • Speech-to-Text
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+ 40
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+ 42 • Seedance
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+ 43 • Veo
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+ 47 TierCostRate LimitNotes
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+ 48 Anonymous (no key)Free~1 req/15 secImage generation only
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+ 49 Publishable key (pk_)Free1 Pollen/hr per IP+keyClient-side demos
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+ 50 Spore (registered, free)Free1.5 Pollen/weekDefault registered tier
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+ 51 Seed (registered)Paid3 Pollen/hrFor active devs
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+ 52 Flower (registered)Paid10 Pollen/hrRequires app submission
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+ 53 Secret key (sk_)PaidNo rate limitsServer-side only
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+ 54
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+ 55 • Flux images are always free regardless of tier.
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+ 56 • 1 Pollen ~ $1 in compute costs.
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+ 57
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+ 59
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+ 60 EndpointDescription
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gen.pollinations.ai/image/{prompt}Image generation
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gen.pollinations.ai/text/{prompt}Text generation
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gen.pollinations.ai/audio/{text}Text-to-speech
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gen.pollinations.ai/v1/audio/speechOpenAI TTS compatible
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image.pollinations.ai/prompt/{prompt}Legacy image endpoint
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text.pollinations.ai/{prompt}Legacy text endpoint
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+ 69
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+ 70 • Simplest free AI API that exists: Just construct a URL and make a GET request. No SDK, no auth, no setup. Perfect for prototypes, demos, and hobby projects.
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• OpenAI-compatible TTS: The /v1/audio/speech endpoint works with existing OpenAI audio code.
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+ 72 • Bring Your Own Pollen: Developers can let their users pay for compute, so the developer pays zero.
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+ 73 • Cloudflare caching: Repeated image generations for the same prompt are cached and served instantly.
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+ 74 • Open source: The entire platform is open-source at github.com/pollinations/pollinations.
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+ 75 • 500+ community projects already built on top of this API.
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+ 76 • MCP server support: Integrates with Claude and other AI assistants as a tool.
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+ 77 • Not for production at scale: The free tier is designed for prototyping and community projects. For production, consider the paid tiers or self-hosting.
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+ 78
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+ 79 Sources:
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+ 80 • https://pollinations.ai
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+ 81 • https://github.com/pollinations/pollinations
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+ 82 • https://enter.pollinations.ai/api/docs
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+ 83 • https://github.com/pollinations/pollinations/blob/master/enter.pollinations.ai/POLLEN_FAQ.md
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