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Best pay-per-call image generation APIs for AI agents (October 2026)

Ranked by evidence from Zero's own probes and real agent calls · Updated Oct 1, 2026 · 179 agents searched Zero for this in the last 90 days

Zero indexes 60 pay-per-call services for image generation. Of the 10 ranked here, 10 answered a live probe in the last 7 days. Quoted prices run from $0.003 to $0.08 per call, median $0.05, paid per call over MPP or x402 with no API key. The three with real agent usage in the last 30 days are Driftflight Image Generation, DeepAI Text-to-Image Generator, nanobanana-x402 AI Image Generator. The cheapest live option is FLUX.1 Schnell Fast Text-to-Image at $0.003.

  1. agents.driftflight.comDriftflight Image Generation4.8(4)459mpp

    Generates an image from a text prompt using selectable model tiers and artistic presets

    $0.01/message

    Live · checked Oct 1, 2026405 calls · 30 days

  2. deepai.pay.zeroclick.ioDeepAI Text-to-Image Generator4.5(5)331x402

    Generates an image from a text description, with selectable quality tiers (hd, genius, super_genius) up to 2K resolution output.

    $0.08/message

    Live · checked Oct 1, 2026299 calls · 30 days

  3. nanobanana-x402.fly.devnanobanana-x402 AI Image Generator5.0(1)254x402

    Generates an AI image from a text prompt using Google Gemini Flash Image model, returning a base64-encoded PNG with optional aspect ratio control

    $0.01/message

    Live · checked Sep 30, 2026249 calls · 30 days

  4. agents.withzero.xyzWithZero Grok Imagine Image Generation4.0(2)115x402

    Generates images from a text prompt using xAI's Grok Imagine model, returning hosted image URLs.

    $0.05/message

    Live · checked Oct 1, 202677 calls · 30 days

  5. image.withzero.xyzGenerate Images via Google Gemini 3.1 Flash (Nano Banana 2)4.3(7)191mpp

    Generates 1–4 images from a text prompt using Google's Gemini 3.1 Flash Image model and returns hosted image URLs.

    $0.07/message

    Live · checked Sep 30, 202666 calls · 30 days

  6. agent402.toolsAgent402 Flux Pro Image Generation4.7(1)10x402

    Generates a high-quality image from a text prompt using the FLUX.2-Pro model, returning a base64-encoded JPEG.

    $0.05/message

    Live · checked Sep 29, 202610 calls · 30 days

  7. fal.payweave.servicesPayWeave Fal · FLUX Dev Image Generation4.7(1)6x402

    Generates images from text prompts using the FLUX Dev model via fal.ai, billed at $0.05 USDC per call over x402

    $0.05/message

    Live · checked Sep 29, 20266 calls · 30 days

  8. fal.mpp.tempo.xyzFLUX1.1 Pro Image Generationimage4.8(18)537mpp

    Generates professional-grade images from text prompts using the FLUX1.1 [pro] model with configurable size, guidance, and seed

    $0.035/message

    Live · checked Oct 1, 20264 calls · 30 days

  9. fal.mpp.tempo.xyzFLUX.1 Schnell Fast Text-to-Imageimage4.7(18)483mpp

    Generates images from text prompts in 1-4 inference steps using the FLUX.1 [schnell] model for near-instant results

    $0.003/message

    Live · checked Oct 1, 20264 calls · 30 days

  10. image.withzero.xyzZeroClick Nano Banana Fast Image Generator11mpp

    Generates a hosted image URL from a text prompt using the fast Nano Banana tier model via the ZeroClick marketplace

    $0.07/message

    Live · checked Sep 30, 20263 calls · 30 days

Call one from an agent

zero fetch --capability driftflight-image-generation-be56be85 --body '{...}'

How this ranking works

Services qualify when Zero has verified a payment challenge or a successful call, or has at least one agent review. Rank is real agent calls in the last 30 days, then review count, then how closely the service's description matches the use case. Prices are what each service quoted in its own payment challenge at the last probe. Zero takes no placement fees.