120M+ messages/day · persona memory · NDA on request

NSFW Chat & Roleplay API
persona-locked conversation, memory, branching scenes

Production REST + WebSocket endpoint for adult AI conversation. Persona-locked dialogue, persistent memory, mood awareness, multi-character roleplay, branching scenes. Powers Candy AI, OurDream-style apps, Janitor / CrushOn clones, adult Telegram bots. 120M+ messages handled daily across 35+ live platforms.

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TL;DR

NSFW Coders’ NSFW Chat / Roleplay API is a production conversational endpoint built for adult AI — persona-locked dialogue, vector-DB memory, mood detection, multi-character branching scenes. Built on fine-tuned Llama 3 70B + Mixtral + custom NSFW chat models. Sub-second first-token streaming, 40+ languages, memory across thousands of turns. Starting at $4,000/month for 50K conversations, or $18,000+ for a fully custom-trained chat model. Powering 35+ live apps including Candy-AI / OurDream-style platforms.

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Definition

What is a NSFW Chat / Roleplay API?

A NSFW Chat / Roleplay API is a server endpoint that orchestrates an end-to-end adult conversation. Not just an LLM call — it includes persona management, persistent memory (vector DB), mood detection, content safety, multi-character routing, and streaming output. You hit one endpoint with a user message + persona ID + conversation ID and the API returns the next companion response, persona-correct, memory-aware, mood-adapted.

Under the hood it runs fine-tuned Llama 3 70B, Mixtral 8x7B, and our custom NSFW chat models on GPU pools. The orchestration layer handles persona cards, vector-DB retrieval (Pinecone / Weaviate / Qdrant), mood classifier, safety filters, message logging, billing meters — everything you would otherwise build yourself.

Generic LLM APIs (OpenAI, Anthropic) refuse adult prompts, lose context after 8K tokens, and force you to build persona+memory+safety from scratch. A NSFW Chat / Roleplay API ships all of that pre-built for the adult niche — you call one endpoint and ship.

Who uses NSFW Chat / Roleplay APIs?

  • AI companion apps — Candy AI / OurDream / Get Honey-style apps where users chat with persona-locked AI characters
  • Adult roleplay platforms — Janitor AI / CrushOn-style sites with thousands of user-created NSFW characters
  • Telegram / Discord bots — NSFW chat bots that handle persona, payments, and persistent memory per user
  • Cam-model AI assistants — Live message auto-reply during streams, after-show fan engagement
  • Adult visual novels / games — In-game character dialogue that adapts to player history and choices
  • OnlyFans creator tools — AI that mimics the creator’s voice + tone for fan DM responses at scale

How is NSFW Coders’ API different?

  • Persona-locked — Each character card locks voice, kinks, no-go list, vocabulary — consistent across thousands of turns
  • Persistent memory — Vector DB plug-in (Pinecone / Weaviate / Qdrant). Companion recalls names, dates, in-jokes, preferences
  • Mood detection — Per-message sentiment classifier. Companion adapts tone, energy, topic in real time
  • Multi-character scenes — Roleplay engine supports 2-6 characters in one conversation with distinct voices and memory
  • Branching narrative — Scene framing, branching choice points, scene locks — build interactive fiction at scale
  • Safety + audit built-in — CSAM filter, minor-protection, crisis routing (self-harm flags), full message audit log
120M+
Chat messages handled daily
35+
Live adult chat platforms
<700ms
First-token streaming latency
8K+
Token persona memory per user
Features & capabilities

9 chat orchestration capabilities — persona, memory, mood, branching, safety

Everything you would build yourself — pre-built, tested, scalable, in one API call.

01

Persona Management

Character cards (background, voice, kinks, no-go). Switch personas per request. Persona library API.

02

Persistent Memory

Vector-DB integration. Companion recalls names, dates, scenes, preferences across sessions.

03

Mood Detection

Per-message sentiment classifier. Companion adapts tone (flirty, romantic, comforting, intense) automatically.

04

Multi-Character Scenes

Roleplay with 2-6 characters. Each has its own card + memory. Branching scene engine.

05

Streaming Tokens

WebSocket / SSE. First token in <700ms. 60-90 tokens/sec on 70B-class models.

06

Content Safety Layer

CSAM filter on input + output. Minor-protection rules. Crisis detection (self-harm routing).

07

Multi-Language

40+ languages with adult-vocab. Auto-detect user language, reply in same language.

08

Audit + Billing Meters

Full message audit log for legal review. Per-user token meters for billing.

09

Voice + Image Hooks

Drop-in companion replies via NSFW Voice API and NSFW Image API. One pipeline, multi-modal.

Why clients trust us

Production-ready NSFW Chat / Roleplay API deployment

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

01

99.9% Uptime & Multi-Region

Multi-region GPU pools. WebSocket failover. Memory store replicated across regions.

02

GPU + Token Cost Engineering

Batched inference, KV-cache reuse, model routing. 50% cheaper than OpenAI per token at scale.

03

Private Persona + Memory

Your personas + memory live in your VPC option. NDA + DPA standard. Source-code escrow on request.

04

Frame-Level Safety + Audit

Every message logged, screened, attributed. Audit log API for legal / compliance teams.

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/chat/respond \
  -H 'Authorization: Bearer YOUR_API_KEY' \
  -H 'Content-Type: application/json' \
  -d '{
    "conversation_id": "user_42-luna",
    "persona_id": "luna-21-flirty",
    "user_message": "Hey, you remember what we talked about last night?",
    "mode": "chat",
    "stream": true
  }'
Python
from nsfwcoders import Client

client = Client(api_key='YOUR_API_KEY')

stream = client.chat.respond(
    conversation_id='user_42-luna',
    persona_id='luna-21-flirty',
    user_message='Hey, you remember what we talked about last night?',
    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.chat.respond({
  conversation_id: 'user_42-luna',
  persona_id: 'luna-21-flirty',
  user_message: 'Hey, you remember what we talked about last night?',
  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 Chat / Roleplay API ships measurable ROI.

Use case 1

AI Girlfriend Chat

Persona-locked conversation with persistent memory. Powers the chat layer of Candy / OurDream-style apps.

Use case 2

Roleplay / Janitor AI Clones

User-created character marketplace with thousands of NSFW personas, branching scenes.

Use case 3

NSFW Telegram Bots

Persona-locked chat in Telegram + payments + memory per user. Ship in 2 weeks.

Use case 4

Adult Visual Novel NPC

In-game character dialogue that adapts to player history. Each NPC has its own persona card.

Use case 5

OnlyFans DM Auto-Reply

Voice-cloned AI replies in the creator’s style, handling thousands of fan DMs concurrently.

Use case 6

Cam-Model AI Co-Host

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

Hosting & deployment

Pick the GPU platform that fits your budget

RunPod

GPU pods with autoscaling — ideal for conversational chat traffic with bursty patterns.

Lambda Labs

H100 instances for 70B-class chat models with batched inference.

AWS Bedrock / SageMaker

Deploy chat layer inside your AWS account. We ship to your VPC + integrate with your IAM.

Dedicated GPU Cluster

Multi-region pools with Kubernetes for 100M+ messages/day workloads.

On-Premise

Air-gapped chat deploy for clients with strict data-residency requirements.

Other NSFW APIs we ship

Build the full adult-AI stack

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

NSFW Voice / TTS API

Pair chat with voice notes — companion replies via audio in her own voice.

Explore the API →

NSFW Image Generation API

In-conversation image generation — companion sends pictures when asked.

Explore the API →

NSFW Content Generation API

Story-mode generation paired with chat-mode conversation in one API surface.

Explore the API →

NSFW Video Generation API

Companion sends short video clips in the chat thread on demand.

Explore the API →

NSFW Moderation API

CSAM screening, audit logs, crisis-detection routing on every chat message.

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 Chat API as the conversation brain.

See the page →

Candy AI Clone

Production-ready clone — powered by this Chat API for persona-locked dialogue.

See the page →

DreamGF Clone

AI girlfriend with chat + image gen — both APIs in one orchestrated pipeline.

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
$4,000
per month · 50K conversations
  • Fine-tuned NSFW Llama 3 base
  • Persona library (12 starter personas)
  • Persistent memory (10K tokens / user)
  • Mood detection + streaming
  • Standard support
Most picked
Pro API
$10k
per month · 250K conversations
  • All shared tier features
  • Unlimited custom personas
  • Memory up to 32K tokens / user
  • Multi-character roleplay engine
  • Priority queue + SLA
Private Model
$18k+
one-off · unlimited messages
  • Fine-tune chat model on your dataset
  • Dedicated GPU cluster + private memory store
  • Unlimited personas + memory
  • 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 Chat / Roleplay API

What is a NSFW Chat / Roleplay API?
A NSFW Chat / Roleplay API is a REST + WebSocket endpoint that orchestrates an end-to-end adult AI conversation. Not just an LLM call — it bundles persona management, persistent memory (vector DB), mood detection, content safety, multi-character roleplay, and streaming output. You call one endpoint with user message + persona ID + conversation ID and get back a persona-correct, memory-aware, mood-adapted companion response.
How is this different from OpenAI / Anthropic chat APIs?
Generic chat APIs refuse adult prompts, lose context after 8K tokens, and force you to build persona+memory+safety from scratch. Our API ships all of that pre-built for the adult niche — persona cards, vector-DB memory, mood classifier, multi-character roleplay, CSAM safety layer, audit logs, billing meters. One endpoint vs. assembling 6 systems yourself.
Which LLMs power the chat?
Default stack: fine-tuned Llama 3 70B + Mixtral 8x7B + our custom NSFW chat models, with auto-fallback. For Pro tier we add Claude 3.5 Sonnet (with NSFW jailbreak wrapper) for users who want highest reasoning quality. For Private Model tier we fine-tune your own LLM on your conversation dataset.
How does persistent memory work?
Vector-DB integration (Pinecone, Weaviate or Qdrant). Every conversation turn gets embedded and stored. Before generating the next reply, we retrieve the most relevant memories (semantic similarity + recency weighting) and inject them into the prompt. Result: the companion remembers names, dates, in-jokes, preferences, even after months of silence. Memory can be reset per-user for GDPR.
Can the API handle multi-character roleplay?
Yes. The roleplay engine supports 2-6 characters in one conversation. Each character has its own persona card and memory thread. The API routes user messages to the right character based on @mentions or scene context. Branching scene engine supports choice points and scene locks for interactive adult fiction.
How much does the NSFW Chat / Roleplay API cost?
Shared API starts at $4,000/month for 50K conversations with fine-tuned NSFW Llama 3, 12 starter personas, persistent memory (10K tokens/user), mood detection and streaming. Pro tier is $10,000/month for 250K conversations with unlimited custom personas, 32K-token memory, multi-character roleplay. Private model fine-tuning starts at $18,000 one-off.
What is the streaming latency?
Sub-700ms first-token via WebSocket on Pro tier, typically 800-1200ms on Shared. Tokens then stream at 60-90 tokens/sec on Llama 3 70B and 120-180 tokens/sec on Mixtral-class models. We use server-side speculative decoding to push first-token latency under 500ms on the Private tier.
Is the chat API compliant for adult content?
Yes. CSAM filter on every input + output. Minor-protection refusal rules (non-negotiable). Crisis-detection routes self-harm flags to safety resources instead of generating responses. Full message audit log retained per legal retention rules. Per-user age-gate hooks. Payment processor approval (CCBill, Segpay, Epoch) pre-bundled.
Do you sign NDAs?
Always. NDA before discovery call. For Private Model tier we sign DPAs and offer source-code escrow. Your personas, conversations, monetisation model and roadmap stay inside the engagement.
Can the API scale to millions of users?
Yes. Production deployments serve 100M+ messages per day across multiple clients. Kubernetes-based autoscaling, multi-region GPU pools, WebSocket connection pooling, memory-store sharding by user-ID. Tested up to 50K concurrent chat sessions on a single Pro deployment.

Ready to integrate the NSFW Chat / Roleplay API?

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

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