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Tutorial

How to Build a 10M-Token RAG Corpus With Scavio (2026)

Search-as-source: 200 seed queries → Scavio Google → /extract top 2K → 8M tokens of clean Markdown. ~$50-90.

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An r/Rag post asked which scraper to use for ~10M tokens. The cheaper, more reliable shape for indexed public content is search-as-source. This walks the recipe.

Prerequisites

  • Scavio API key
  • Python or Node
  • Topic with 200-500 seed query candidates
  • Embedding pipeline

Walkthrough

Step 1: Define 200-500 seed queries

Topical breadth > depth.

Python
seeds = ['ai agent infrastructure 2026', 'agent memory patterns', 'tool use mcp', ...]

Step 2: Scavio Google SERP per seed

Collect organic_results URLs.

Python
import requests, os
H = {'x-api-key': os.environ['SCAVIO_API_KEY']}
urls = set()
for q in seeds:
    r = requests.post('https://api.scavio.dev/api/v1/search', headers=H, json={'query': q}).json()
    for o in (r.get('organic_results') or [])[:10]:
        urls.add(o['link'])

Step 3: Deduplicate URL set

Many seeds surface the same authoritative pages.

Python
print(f'Unique URLs: {len(urls)}')

Step 4: Scavio /extract on top URLs

Returns clean Markdown.

Python
docs = []
for u in list(urls)[:2000]:
    d = requests.post('https://api.scavio.dev/api/v1/extract', headers=H, json={'url': u}).json()
    if d.get('text'): docs.append({'url': u, 'text': d['text']})

Step 5: Token-budget trim

Stop at 10M tokens.

Python
# Walk top-N until cumulative tokens hit 10M.

Step 6: Embed and ship to vector store

Per existing pipeline.

Python
# Voyage / OpenAI / Cohere → Pinecone / Qdrant / pgvector.

Step 7: Quarterly refresh

Re-run + diff URL set.

Python
# Cron: quarterly. Embed only new/changed pages.

Python Example

Python
# Total cost: ~11K credits ≈ $50-90 within Project tier.

JavaScript Example

JavaScript
// Same shape in TS.

Expected Output

JSON
10M-token RAG corpus from indexed public content. ~5K unique URLs → ~2K extracted → 8M tokens of clean Markdown.

Related Tutorials

  • How to Build a Mini-Perplexity with Real Sources (Vertical)

Frequently Asked Questions

Most developers complete this tutorial in 15 to 30 minutes. You will need a Scavio API key (free tier works) and a working Python or JavaScript environment.

Scavio API key. Python or Node. Topic with 200-500 seed query candidates. Embedding pipeline. A Scavio API key gives you 50 free credits on signup.

Yes. The free tier includes 50 credits on signup, which is more than enough to complete this tutorial and prototype a working solution.

Scavio has a native LangChain package (langchain-scavio), an MCP server, and a plain REST API that works with any HTTP client. This tutorial uses the raw REST API, but you can adapt to your framework of choice.

Related Resources

Workflow

RAG Corpus Build Workflow (10M Tokens)

Read more
Glossary

Scrape vs Search for RAG

Read more
Solution

Large RAG Corpus Build Stack (10M Tokens)

Read more
Use Case

Large RAG Corpus Build (10M Tokens)

Read more
Best Of

Best Tools for Large-Scale RAG Corpus Building (2026)

Read more
Best Of

Best RAG Data Source Tools Without Firecrawl (2026)

Read more

Start Building

Search-as-source: 200 seed queries → Scavio Google → /extract top 2K → 8M tokens of clean Markdown. ~$50-90.

Get Free API KeyRead the Docs
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