CompanionGuide > Categories > AI Porn API

3 Best AI Porn APIs

By James Mitchell

Published · Last reviewed · How we review · Editorial disclaimer

Only a handful of adult platforms give you something a backend can actually call. I compared the three names that come up most: a purpose built adult generation API and two of the best consumer AI porn generators. If you want a tool to make images yourself, start with AI image generation or the best AI porn platforms instead. This page is for the ones building a product.

Top 3

  1. Xavira AI Xavira AI
  2. Promptchan AI Promptchan AI
  3. SoulGen AI SoulGen AI
See all 3
#1

Xavira AI · Persistent Characters for consistent output

Free tier · $1700/month · $25/month annually

Persistent Characters let you create a character once and reuse it across generations. The Starter tier is available for a one-time fee of $25.

Xavira AI interface

Warm GPU Endpoints make repeat generations incredibly fast, which is a huge plus when you need efficiency. I found the Volume tier includes 100,000 credits, giving me the lowest public per image rate of 1.7 cents. Image to Video lets you turn any character image into a short motion clip seamlessly through the same API.

What it does well

  • 5,000 credits for Builder tier at $110
  • Cached face embeddings for quicker generations
  • Moderation Built In checks each output

Where it falls short

  • No subscription model for ongoing use
  • Volume tier costs $1,700 upfront
Xavira AI screenshot

Best for: Developers needing scalable NSFW image and video generation

Try Xavira AI Read the full review
#2

Promptchan AI · Fast generation for NSFW images

Pricing shown after signup

Promptchan AI features advanced image generation for uncensored NSFW art. Pricing is not published until after signup.

Promptchan AI interface

Fast generation is different, delivering quick results for NSFW content. I found the prompt-based image generation intuitive, allowing for detailed customization. Their video generation feature caught my attention, offering an interesting way to create adult content.

What it does well

  • Fast Generation feature for quick results
  • Prompt-Based for tailored NSFW art
  • Video Generation for adult video content

Where it falls short

  • Pricing not disclosed until signup
  • No free tier available for testing
Promptchan AI screenshot

Best for: Creating custom NSFW art and videos quickly

Try Promptchan AI Read the full review
#3

SoulGen AI · Fast generation for custom avatars.

Pricing shown after signup

SoulGen AI offers fast generation for custom artwork tailored to your desires. Pricing is not published until you sign up, so you’ll need to check that to see your options.

SoulGen AI interface

SoulChat makes for interactive conversations that feel intimate and engaging. I enjoyed the AI art creation feature, which allows for custom artwork with advanced tools. Modifying creations is easy with the image editing option available, making it straightforward to get exactly what I wanted.

What it does well

  • SoulChat for intimate conversations included.
  • AI art creation available.
  • Fast generation delivers quick results.

Where it falls short

  • Pricing not published until after signup.
  • No free tier available for testing.
SoulGen AI screenshot

Best for: Creating personalized AI companions with unique appearances.

Try SoulGen AI Read the full review

The rest of the field, ranked 4 to 3

Everything below has been tested and placed, but did not make the top 3 for this category. Each entry says what it is actually for.

AI Porn API Comparison

Platform Pricing Key Feature Best For
Xavira AI Free + $25.00 one-time Persistent Characters Developers adding NSFW image and video generation to their own product
Promptchan AI Free NSFW Art Uncensored NSFW AI art & video generation
SoulGen AI Free AI Art Creation AI art generation & SoulChat companion

How I'd choose an AI porn API

Start by being honest about which product you are actually buying. If you want to make images for yourself, a consumer generator is the better and cheaper tool and you should stop reading here. If your own app needs to generate for your users, you need a real API and the shortlist gets very short.

Then check the unglamorous things, because that is where reliability comes from at volume. Bearer tokens scoped per environment so staging cannot drain production. Stable machine readable error codes rather than an HTML error page. Rate limit headers on every response and a Retry-After on the 429. Idempotency keys so a retry after a timeout does not double charge you. Async jobs with signed webhooks for video, which takes far too long to hold a request open.

Price it per generation, not per month. Work out your real monthly volume and multiply. At 100,000 images a month the difference between 2.5 cents and 1.7 cents is $800, and both are usually cheaper than keeping your own GPU workers warm before a single request arrives.

Finally, check who eats the failures. Ask whether blocked and failed generations draw down your balance, and whether moderation runs on every output. If you are billed for moderation rejections and infrastructure hiccups, your unit economics rot at exactly the volume where you can least afford it. Also worth saying plainly: two of the three here are consumer tools, so treat any automation against them as a prototype, not a production dependency.

Editorial disclaimer

CompanionGuide reviews third-party AI companion platforms, including AI chat services and AI image generators, for informational and editorial purposes only. We do not host, create, upload, modify, generate, stream, process, operate, embed, integrate, deploy, place on the market or supply technical access to any AI system, chatbot, image-generation tool, video-generation tool or AI-generated content. We do not take part in user interactions on external platforms. Our role is limited to independent editorial review and commentary.

Screenshots and logos are shown for identification and commentary under fair-use principles. No explicit or uncensored imagery is displayed on companionguide.ai. The demo chat on this page is our own, runs in a safe-for-work mode, and is not operated by any platform listed here.

All outbound links lead to independent third-party websites that operate separately from companionguide.ai. Those platforms are solely responsible for their content, functionality, safety measures, consent controls, moderation, age assurance, abuse reporting and their compliance with the laws and regulations of the jurisdictions in which they operate. We do not verify, monitor, certify or guarantee their legality, compliance status or operational practices. That a platform is restricted in one country does not mean it is unlawful everywhere.

Based on our editorial review at the time of listing, the platforms on this page are intended to focus on adult fantasy, fictional characters, AI-generated adult entertainment, companion experiences and similar consensual adult-oriented services. Services that appear to be primarily designed for undressing, nudifying, face-swapping or otherwise manipulating images of real, identifiable people without clear consent are not intended to be listed here.

Where a platform offers upload, image editing, face reference, voice, avatar or personalisation features, we expect it to maintain appropriate consent controls, moderation, age assurance and technical safeguards against misuse involving real, identifiable people. We do not operate those services, do not control their systems and cannot guarantee that their features, policies or safeguards remain unchanged. Functionality and policies may change at any time without notice.

We make reasonable editorial efforts to keep our reviews, descriptions, prices, disclaimers and outbound links accurate and responsible. Given the number of platforms covered, the speed at which these services change and the differences between jurisdictions, no listing should be read as a legal assessment, compliance certification, safety approval or endorsement of a platform's current or future functionality.

CompanionGuide does not endorse, promote, recommend, facilitate or encourage the creation, distribution or consumption of non-consensual, underage, exploitative or otherwise unlawful AI-generated content, including material depicting minors or sexually explicit depictions of identifiable people without their clear, lawful and informed consent.

Any interaction with a third-party service happens at the user's own initiative and risk. Users are responsible for making sure their actions are legal, consensual and compliant with the laws, platform terms and local requirements that apply to them. Nothing on this page is instruction, guidance or encouragement to use any AI content-generation or AI chat service; all references are descriptive and reflect publicly accessible third-party platforms. This page is intended for adults only. External sites may contain explicit material and may require age verification depending on your jurisdiction.

AI Porn API FAQs

What is the best AI porn API in 2026?

Xavira is the only one of the three built as a developer API, with documented REST endpoints, persistent characters, webhooks and per generation pricing from 1.7 cents an image. Promptchan and Soulgen are consumer generators.

What is the difference between an AI porn generator and an AI porn API?

A generator is a website a person opens and clicks. An API is an endpoint your server posts to and gets structured output back: an image URL, a job ID, a webhook. Only an API can sit inside your own product.

Does Promptchan have an API?

Promptchan access is oriented around its consumer product and credit packs rather than a documented REST surface you build on. If you need programmatic access at scale, confirm the current state of their developer offering first.

Does Soulgen have an API?

Soulgen is a destination app for making AI characters and images. There is no developer grade API story you would want to put a paying product on top of, which is why it ranks third on this list.

How much does an AI porn API cost?

Xavira sells prepaid credits: $25 for 1,000 credits works out at 2.5 cents an image, dropping to 1.7 cents at volume. Promptchan and Soulgen are monthly subscriptions priced for one human, not for programmatic traffic.

Is there a free AI porn API?

Xavira gives new accounts 25 free credits with no card, roughly 25 images or 5 videos, valid for 12 months. Promptchan and Soulgen both have free consumer tiers, but those are not API access.

Can these APIs generate video?

Xavira turns any character image into a clip of about five seconds for 5 credits, handled async with a job ID and a webhook. Promptchan offers video inside its consumer app. Soulgen is image focused.

How do I keep an AI character looking the same across images?

You need persistent characters with a cached face embedding. Xavira computes it once per character and reuses it, so identity holds across thousands of generations and repeat calls stay fast. Recomputing per generation is slower and drifts.

Is it legal to build an adult app on one of these APIs?

It depends on your market and your age verification, but a moderation classifier that blocks CSAM, non consensual content and identifiable real people is the baseline your payment and hosting providers will expect.

Is an API cheaper than running my own GPUs?

Usually yes once you price engineering time. Keeping workers warm costs money before your first request, easily around $100 a day for two model setups, and you still have to build moderation, storage and on call yourself.