What people mean by an "AI girlfriend API"
An AI girlfriend API is a programming interface that returns companion-style chat replies (and sometimes images) when your app sends it a message. In practice buyers mean one of three things:
- A general LLM API such as the models sold by large AI labs. You write the persona prompts, memory and safety layer yourself. Most mainstream providers restrict sexual content: Anthropic's Usage Policy, for example, lists engaging in erotic chats as prohibited.
- An uncensored or adult-permissive model API, from providers that list uncensored or role-play models on their price sheet. These allow companion chat but leave the product, payments and compliance to you.
- A full white label platform, which is what most people searching this phrase actually want: a working, branded AI girlfriend site they can send traffic to. That is the WhiteLabelFans model.
How much does an AI girlfriend API cost per message?
Model usage is the cheapest part of the business. Venice.ai's published API price list (checked 19 October 2026) shows its Venice Uncensored 1.2 model at $0.20 per million input tokens and $0.90 per million output tokens, and image models from about $0.01 per image.
Worked example, using our own assumptions: if one companion reply sends 1,500 tokens of persona and chat history and returns 150 tokens, it costs about $0.0003 plus $0.000135, roughly $0.0004 per message, or about $4 for 10,000 messages. Longer memory, bigger models and image requests raise that, but token cost is rarely what sinks an AI girlfriend project. Everything around the API is.
AI girlfriend API vs white label site
| Build on an API yourself | WhiteLabelFans white label site | |
|---|---|---|
| What you get | A chat endpoint | A complete branded AI companion site |
| Upfront cost | Your development: about $15,000 to $150,000+ depending on scope (see the cost breakdown) | $0 for launch-catalogue brands |
| Time to launch | Weeks to months | 48 hours after approval |
| Companions and images | You design, prompt and generate them | Included, with new companions added weekly |
| Adult-friendly payments | You apply to high-risk processors | Already in place |
| Model and GPU bills | You pay per message and per image | Included |
| Age verification and compliance | Your responsibility | Handled by the platform |
| How you earn | All revenue, minus every cost above | Up to 60% of total site revenue |
What an API does not give you
A product people pay for
Companion profiles, galleries, memberships, tokens, tips and upsells. The chat model is one feature inside that product.
Payments that stay on
Mainstream processors decline adult AI sites. See which payment processors accept AI adult sites.
Consistent companions
The same character across hundreds of images and months of chat memory takes tooling and ongoing work.
Compliance
Adults-only checks, content rules, takedowns and record-keeping, in every market you sell into.
Who should use an API, and who should use white label
Build on an API if you have a development team, an approved high-risk merchant account, a content pipeline and the runway to carry costs before revenue. Choose white label if your strength is traffic (an audience, an affiliate list, paid media or SEO) and you want a site earning this month. You keep your brand, domain and audience; WhiteLabelFans runs the companions, chat, billing and compliance underneath. Read what the white label AI companion platform includes or how partner earnings work.
How to launch without writing code
- Apply with your traffic sources and volume. Reviews take about 2 business days.
- Pick a niche from the catalogue or ask for a custom build.
- Point your domain and add your tracking. The site goes live within 48 hours of approval.
- Send traffic and earn up to 60% of everything the site makes.
API prices are as published by each vendor on the date shown and may change. The per-message example is an illustration based on our own token assumptions, not a quote. WhiteLabelFans figures describe our own partner program; earnings depend on the traffic you send.
Frequently asked questions
Is there an AI girlfriend API?
Yes, in the sense that you can call an LLM or an uncensored companion model through an API and build an AI girlfriend app around it. Most mainstream model providers restrict sexual content, so adult companion apps usually use adult-permissive model providers. WhiteLabelFans is not a developer API; it is a done-for-you white label AI girlfriend site.
How much does an AI girlfriend API cost?
Per message, very little. One published price list shows an uncensored model at $0.20 per million input tokens and $0.90 per million output tokens, which works out to well under a cent per typical reply. The real costs are development, payments, content and compliance around the API.
Can I use an NSFW AI chat API for a companion site?
Only with a provider whose terms allow adult content, and you are then responsible for age verification, content rules and a payment processor that accepts adult AI sites. A white label platform handles those parts for you.
Does WhiteLabelFans offer an API?
No. WhiteLabelFans is a managed white label platform: your brand and domain, with companions, AI chat, billing, hosting and compliance run for you. Partners earn up to 60% of total site revenue instead of paying for development.
What is the fastest way to start an AI girlfriend business without coding?
Launch a white label site. Approved WhiteLabelFans partners pick a niche, point their domain and are live within 48 hours, with $0 upfront for launch-catalogue brands.