80M+ words/day · 99.9% uptime · NDA on request

NSFW Content Generation API
erotica, captions, stories — uncensored, on demand

Production REST endpoint for AI-generated adult text content. Erotic stories, chat-character lines, post captions, blog articles, product copy, voice scripts. Fine-tuned LLMs (Llama 3, Mistral, custom NSFW models), persona-aware memory, streaming tokens, multilingual. Used by 25+ adult-AI platforms shipping 80M+ words per day.

Get API AccessWhat is this API?
TL;DR

NSFW Coders’ NSFW Content Generation API is a REST + streaming endpoint that generates uncensored adult text on demand — erotic stories, chat lines, product captions, persona dialogue, voice-acting scripts. Powered by fine-tuned Llama 3, Mistral, Mixtral 8x7B, and our private NSFW Erotic-LLM. 40+ languages, sub-second first-token latency, 99.9% uptime SLA. Starting at $3,000/month for 5M tokens, or $15,000+ for a private fine-tuned model. Already ships with 25+ live adult companion apps, story platforms and creator-marketplace clients.

On this page
Definition

What is a NSFW Content Generation API?

A NSFW Content Generation API is a server endpoint that turns a text prompt into adult-themed written content — an erotic story, a chat-character reply, a caption, a voice-acting script, a product description. You POST a JSON payload with the prompt, persona, style, length, and the API streams back generated text token-by-token (or in one block).

Under the hood it runs large language models — typically Llama 3 70B, Mistral, Mixtral, or our in-house NSFW-tuned Erotic-LLM — on dedicated GPU clusters (A100 / H100). The API layer handles persona memory (vector DB), content classification, multi-language routing, request queueing, and per-user rate limits.

Where a generic LLM API will refuse explicit prompts or water them down, an NSFW Content Generation API is fine-tuned for the adult niche — consensual erotica, chat companion dialogue, creator caption writing, story-driven roleplay scripting — without jailbreak workarounds, content-policy refusals, or context-window resets mid-scene.

Who uses NSFW Content Generation APIs?

  • AI companion apps — Candy-AI, OurDream, Get Honey-style platforms generating persona dialogue, voice notes, story arcs in conversation
  • Erotic story platforms — AO3 / Literotica-style sites with AI-assist drafting, story-extender, character-card writers
  • Creator-economy SaaS — OnlyFans-helper tools generating captions, DM templates, fan-message variants for adult creators
  • Adult chatbots & cam — Live cam-model assistants, fan-message auto-reply, persona-aware roleplay engines
  • AI-erotica marketplaces — Story generators where users pay per chapter or token-based credits

How is NSFW Coders’ API different?

  • No content-policy refusals — Fine-tuned to handle consensual adult themes without policy denials, paraphrasing, or "I can’t help with that" stalls
  • Persona-locked output — Each request can carry a persona card so character voice, tone, kinks, vocabulary stay consistent across thousands of turns
  • Streaming tokens — Server-Sent Events from first token (<800ms) for chat-style UIs that feel real-time
  • Multi-language native — 40+ languages with idiomatic adult-vocabulary tuning, not just Google-translated English
  • Memory-aware via vector DB — Plug-in Pinecone / Weaviate / Qdrant retrieval so the LLM recalls past chats, scenes, preferences
  • Safety layer built in — CSAM filter, minor-protection rules, crisis-detection routing, content audit log for legal review
80M+
Words generated daily via our APIs
25+
NSFW platforms live in production
<800ms
First-token latency, streamed
40+
Languages supported out of the box
Features & capabilities

9 content types this API generates — erotic stories, chat lines, captions, scripts

One endpoint, multiple content modes — switch with a single parameter per request.

01

Erotic Stories

Long-form adult fiction with chapter breaks, scene continuity, character arcs. Up to 8K tokens per request.

02

Chat / Companion Lines

Persona-locked dialogue for AI girlfriend, boyfriend, roleplay characters. Memory-aware, mood-aware.

03

Captions & Hooks

Short punchy copy for OnlyFans posts, Twitter / X NSFW accounts, Reddit drops, creator product launches.

04

DM & Message Variants

Auto-reply templates for fan messages, A/B variants for testing, multi-tone (flirty, romantic, dom, sub).

05

Voice-Acting Scripts

Scripts paired with our NSFW Voice / TTS API — pacing, breath cues, emphasis markers built-in.

06

Roleplay Scenarios

Branching narrative scripts for roleplay engines, scene framing, character cards, kink negotiation prompts.

07

Product / Site Copy

Adult e-commerce descriptions, landing-page copy, FAQ writing, blog posts for SEO at scale.

08

Translations

Adult-vocabulary translation across 40+ languages without softening or Google-Translate awkwardness.

09

Persona Generation

Generate full character cards from a 1-line brief — backstory, voice, kinks, no-go list, conversational style.

Why clients trust us

Production-ready NSFW Content Generation API deployment

Scalable infrastructure, predictable cost, guaranteed uptime — your API runs the way production needs it to.

01

99.9% Uptime & Streaming Tokens

Multi-region GPU pools with failover. SSE streaming so first token reaches the user in <800ms.

02

GPU Cost Tuning

Spot-instance routing, request batching, and KV-cache reuse cut LLM serving cost by 40–60%.

03

Private Model & Data

Fine-tune on your dataset in isolated GPU envs. We never use client data for shared models. NDA + DPA.

04

Multi-Region Deployment

US-East, EU-West, APAC. Pick region per request for GDPR / data-residency compliance.

Quick start

Integrate in 3 lines of code

Standard REST API — works with any language. Below: cURL, Python, and Node.js.

cURL
curl -X POST https://api.nsfwcoders.com/v1/text/generate \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "persona_id": "luna-21-flirty",
    "prompt": "Write an opening line for a late-night chat",
    "mode": "chat",
    "max_tokens": 120,
    "stream": true
  }'
Python
from nsfwcoders import Client

client = Client(api_key='YOUR_API_KEY')

stream = client.text.generate(
    persona_id='luna-21-flirty',
    prompt='Write an opening line for a late-night chat',
    mode='chat',
    stream=True,
)

for token in stream:
    print(token, end='', flush=True)
Node.js
import { NSFWCoders } from '@nsfwcoders/sdk';

const client = new NSFWCoders({ apiKey: process.env.NSFW_API_KEY });

const stream = await client.text.generate({
  persona_id: 'luna-21-flirty',
  prompt: 'Write an opening line for a late-night chat',
  mode: 'chat',
  stream: true,
});

for await (const token of stream) process.stdout.write(token);
Use cases

Where this API drives revenue

Common production patterns where the NSFW Content Generation API ships measurable ROI.

Use case 1

AI Girlfriend Chat

Persona-locked dialogue with vector-DB memory. The API powers conversation in Candy AI / OurDream-style apps.

Use case 2

OnlyFans Caption Tools

SaaS that helps creators generate post captions, DM templates, and fan-message replies at scale.

Use case 3

AI Erotic Story Marketplaces

Token-credit platforms where users pay per chapter or per generation. Streaming reads feel live.

Use case 4

Roleplay & D&D Engines

Branching narrative engines for adult RPG / interactive fiction with scene memory.

Use case 5

Cam Model AI Assistants

Live message auto-reply during streams, persona-aware fan engagement, after-show DM follow-ups.

Use case 6

Voice-Acting Pipelines

Script generation paired with the NSFW Voice / TTS API — full audio scenes from a one-line prompt.

Hosting & deployment

Pick the GPU platform that fits your budget

RunPod

GPU pods with autoscaling, ideal for production LLM serving at predictable price-per-token.

Lambda Labs

H100 / A100 instances for heavier 70B-class models with batched inference.

AWS Bedrock / SageMaker

For clients who must run inside their AWS account — we deploy the model + API into your VPC.

Dedicated GPU Cluster

Multi-region pools with Kubernetes autoscaling for 10M+ requests/day workloads.

On-Premise

Private hardware, air-gapped envs for clients with strict data-residency or compliance needs.

Other NSFW APIs we ship

Build the full adult-AI stack

Combine endpoints into one pipeline — image generation, voice, video, chat, moderation, more.

NSFW Image Generation API

SDXL, Flux, Pony, LoRA — in-conversation image generation paired with your text output.

Explore the API →

NSFW Voice / TTS API

Turn generated text into adult-voice audio with breath cues, emphasis, multi-language.

Explore the API →

NSFW Chat / Roleplay API

Full chat orchestration layer — memory, persona switching, branching scenes.

Explore the API →

NSFW Video Generation API

Text-to-video clips with character consistency for short-form adult content.

Explore the API →

NSFW Moderation API

CSAM detection, age-gating, minor-protection, audit logs — run on every text output.

Explore the API →
Build with this API

Live products that already use it

Pre-built clones, companion apps and white-label platforms you can launch in 30–60 days.

AI Companion App Development

Build a Candy-AI / OurDream-style app using this API in 60 days. $5k+, source-code ownership.

See the page →

Candy AI Clone

Production-ready clone with persona memory and chat-content generation built in.

See the page →

OurDream Clone

Image + text companion clone, emotion-aware chat, multilingual content out of the box.

See the page →
Pricing

Fixed monthly cost, no surprise GPU bills

Pick the tier that fits your launch — we handle GPU pool, scaling, monitoring, uptime SLA.

Shared API
$3,000
per month · 5M tokens
  • Fine-tuned NSFW LLM (Llama 3 base)
  • Streaming tokens (SSE)
  • 40+ languages
  • 5 persona slots
  • Standard support
Most picked
Pro API
$8,000
per month · 30M tokens
  • All shared tier features
  • 25 persona slots + memory store
  • Multi-region deployment
  • Custom content classifier
  • Priority support & SLA
Private Model
$15k+
one-off · unlimited tokens
  • Fine-tune on your dataset
  • Dedicated GPU cluster
  • Unlimited persona slots
  • IP & weights ownership
  • NDA + DPA + 24/7 monitoring

Every tier ships with: NDA before kickoff · 100% source-code ownership · 99.9% uptime SLA · 90 days post-launch support

FAQ

Questions about the NSFW Content Generation API

What is a NSFW Content Generation API?
A NSFW Content Generation API is a REST or streaming endpoint that returns AI-generated adult text content on demand — erotic stories, chat dialogue, captions, scripts. You send a prompt + persona + mode and the API returns generated text (streamed token-by-token or in one block). Powered by fine-tuned Llama 3, Mistral, Mixtral, or custom NSFW LLMs on GPU clusters. Used by AI companion apps, story platforms, creator SaaS tools, and adult roleplay engines.
How fast is the first-token latency?
Under 800ms for the first token on our shared API, typically 200-400ms on dedicated GPU pools. Tokens then stream at 60-90 tokens/second on Llama 3 70B and 120-180 tokens/second on Mistral-class models. Streaming uses Server-Sent Events so your UI can render the response as it generates.
Will the model refuse explicit prompts?
No. Our models are fine-tuned for consensual adult content and will not refuse, paraphrase, or moralise on standard NSFW prompts. The only built-in refusals are non-negotiable safety layers — CSAM, minor-protection, non-consensual scenarios — which are mandatory regardless of vertical.
Can I fine-tune on my own dataset?
Yes. We fine-tune Llama 3, Mistral, or Mixtral on your private dataset in isolated GPU environments. We sign data-processing agreements, never use your data for shared models, and you own the resulting weights. Typical fine-tune timeline is 5-10 days for a 7B-class model, 14-21 days for 70B.
How much does the NSFW Content Generation API cost?
Shared API starts at $3,000/month for 5M tokens with fine-tuned NSFW Llama 3 base, streaming, and 40+ languages. Pro tier is $8,000/month for 30M tokens with custom content classifier and multi-region deployment. Private model fine-tuning starts at $15,000 one-off with unlimited tokens, dedicated GPU cluster, IP and weights ownership.
Does the API support persona memory and context?
Yes. Each persona has a character card (background, voice, kinks, no-go topics). We pair the LLM with a vector-DB memory layer (Pinecone, Weaviate or Qdrant) so the API can recall past conversations, preferences, scenes. Memory can be reset per-user for GDPR compliance.
Which languages are supported?
40+ languages with native adult-vocabulary tuning — English, Spanish, French, German, Italian, Portuguese, Dutch, Polish, Russian, Japanese, Korean, Chinese (Simplified + Traditional), Arabic, Turkish, Hindi, Bahasa, Vietnamese, Thai, and more. Not Google-Translate awkward — we hand-curate adult-vocab corpora per language.
Is the API compliant with adult content regulations?
Yes. CSAM detection on every output (PhotoDNA + in-house hash matching), minor-protection refusal rules, content audit log for legal review, age-gate hooks, geo-restriction support per region, and 2257-style record-keeping helpers. Payment processor approval comes pre-bundled (CCBill, Segpay, Epoch).
Do you sign NDAs?
Always. NDA before the first discovery call. Your prompts, persona library, monetisation strategy and roadmap stay inside the engagement. For higher-trust engagements we also sign DPAs and offer source-code escrow.
Can the API scale with my user growth?
Yes. Architected from day one for scale — Kubernetes-based autoscaling, multi-region GPU pools, request batching, KV-cache reuse, CDN-cached static responses. Production deployments we ship handle 50M+ tokens per day per client with zero re-architecting needed.

Ready to integrate the NSFW Content Generation API?

Free 30-min API walkthrough. NDA on request. Average reply under 4 hours.

Get API Access