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Documentation Index

Fetch the complete documentation index at: https://urantia.dev/llms.txt

Use this file to discover all available pages before exploring further.

The Urantia Papers API enables developers and creators to build a wide range of applications. Here are the most popular use cases with working code examples.

Try the Interactive Demo

See these use cases in action — semantic search, random quotes, audio playback, entity exploration, and passage lookup, all live.

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Daily Quote App

Send or display a random inspiring quote from the Urantia Book every day. 
# Get a random paragraph
curl https://api.urantia.dev/paragraphs/random

// Daily quote in JavaScript
async function getDailyQuote() {
  const res = await fetch('https://api.urantia.dev/paragraphs/random');
  const data = await res.json();
  return {
    text: data.text,
    reference: data.standardReferenceId,
    paper: data.paperTitle
  };
}
Ideas: Email newsletters, social media bots, browser extensions, mobile widgets.

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AI Chatbot / RAG Application

Build an AI assistant that can answer questions about the Urantia Book with source citations. 
import requests

def search_urantia(query, limit=5):
    """Search the Urantia Papers and return relevant passages."""
    response = requests.post(
        "https://api.urantia.dev/search",
        json={"q": query, "type": "and", "limit": limit}
    )
    return response.json()["results"]

def get_context(ref, window=3):
    """Get surrounding context for a passage."""
    response = requests.get(
        f"https://api.urantia.dev/paragraphs/{ref}/context?window={window}"
    )
    return response.json()

# Example: Build context for an LLM prompt
results = search_urantia("What happens after death?")
context_passages = []
for result in results:
    ctx = get_context(result["standardReferenceId"])
    context_passages.append(ctx)
Ideas: Telegram/Discord bots, ChatGPT plugins, study assistants, Slack integrations.
See our AI Agent Integration guide for the recommended RAG workflow.

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Study Tool

Build interactive study tools with cross-references, bookmarks, and reading progress. 
# Get the table of contents for navigation
curl https://api.urantia.dev/toc

# Read a specific paper
curl https://api.urantia.dev/papers/1

# Get a section's paragraphs
curl https://api.urantia.dev/papers/1/sections
Ideas: Reading plans, topic explorers, parallel study viewers, flashcard generators.

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Audio Application

Create listening experiences for the Urantia Book with multiple voice options. 
# Get audio URLs for a paragraph
curl https://api.urantia.dev/audio/1:0.1

# Full paper with audio included
curl https://api.urantia.dev/papers/1
# (audio field included in each paragraph)

// Build an audio player playlist for a paper
async function getPaperAudio(paperId) {
  const res = await fetch(`https://api.urantia.dev/papers/${paperId}`);
  const data = await res.json();
  return data.paragraphs
    .filter(p => p.audio?.['tts-1-hd']?.nova)
    .map(p => ({
      url: p.audio['tts-1-hd'].nova.url,
      ref: p.standardReferenceId,
      text: p.text.substring(0, 100)
    }));
}
Ideas: Podcast feeds, audiobook apps, background listening players, accessibility tools.

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Research & Analysis Tool

Search and analyze the text of the Urantia Book for research purposes. 
# Search for a specific concept
curl -X POST https://api.urantia.dev/search \
  -H "Content-Type: application/json" \
  -d '{"q": "Thought Adjuster", "type": "and", "limit": 50}'

# Exact phrase search
curl -X POST https://api.urantia.dev/search \
  -H "Content-Type: application/json" \
  -d '{"q": "spirit of truth", "type": "phrase", "limit": 20}'

# Search within a specific paper
curl -X POST https://api.urantia.dev/search \
  -H "Content-Type: application/json" \
  -d '{"q": "love", "paperId": 56, "limit": 20}'
Ideas: Concordance tools, topic frequency analyzers, cross-reference builders, textual studies.

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Client Generation

Generate a typed API client in any language from the OpenAPI spec. 
# Download the OpenAPI specification
curl https://api.urantia.dev/openapi.json -o openapi.json

# Generate a TypeScript client (using openapi-generator)
npx @openapitools/openapi-generator-cli generate \
  -i openapi.json -g typescript-fetch -o ./urantia-client

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Getting Started

  1. No signup or API key needed — start making requests immediately
  2. Base URL: https://api.urantia.dev
  3. Rate limit: 100 requests/minute
  4. All responses are JSON with Cache-Control headers

API Reference

Explore all 9 endpoints with interactive examples.