Budget a scraping job before you run it
A common complaint about scraping platforms is that the bill is hard to predict: credits per actor, compute units, plan tiers, and pricing pages that change often. With FastAF each route has one fixed price per call, so the budget is a multiplication. See fastaf.co.
The formula
cost = number_of_calls × route_price
| Route | Price per call | 1,000 calls | 10,000 calls |
|---|---|---|---|
serp (Google) |
$0.003 | $3 | $30 |
amazon |
$0.003 | $3 | $30 |
scrape |
$0.005 | $5 | $50 |
youtube |
$0.005 | $5 | $50 |
shopping |
$0.01 | $10 | $100 |
linkedin (profiles) |
$0.06 | $60 | $600 |
Prices from the FastAF x402 routes, GET https://api.fastaf.co/x402/v1/<name>. Check the live 402 quote before a big run.
Worked example
Track 200 keywords on Google daily for 30 days: 200 × 30 = 6,000 serp calls × $0.003 = $18.
Cap it in code
const PRICE = { serp: 0.003, scrape: 0.005, shopping: 0.01 };
let spent = 0; const CAP = 20;
function canCall(route: keyof typeof PRICE) {
if (spent + PRICE[route] > CAP) return false;
spent += PRICE[route]; return true;
}More on caps: Agent spend caps with per-call pricing.
Notes
- No account needed with x402; with an account you get 500 free credits every month after email verification.
- The MCP endpoint (
https://api.fastaf.co/mcp) uses an API key, not x402.
Related: FastAF vs Apify · Cost per agent: SaaS vs x402
Reference
- x402 price list: every parameter and response field
- Docs: authentication, errors, MCP and x402
- Pricing: credit packs from $10, without expiry
Other sources
- How to read public Amazon data when your requests fail
- How to read public Google Search data when your requests fail
- How to read public Walmart data when your requests fail
- How to read LinkedIn data with an API
- How to read public eBay data when your requests fail
- How to read public Booking.com data when your requests fail
- How to read X profile data with an API
- How to read public Zillow data when your requests fail
- Pay-per-call web scraping for AI agents with x402
- MCP servers for Amazon, SERP and web scraping
- Cost per agent: monthly SaaS vs x402 pay-per-call
- How FastAF handles heavy pages and timeouts
- x402 endpoint discovery checklist: how agents find a paid API (and how FastAF passes it)
- Add FastAF to Claude Code, Codex and Cursor
- How to detect poisoned or incomplete SERP results in AI agents
- Cap agent spend per call with fixed x402 prices
- Use FastAF from the Cloudflare Agents SDK
- FastAF as a fallback search provider
- Try FastAF for free, no card
- Too many MCP tools? Keep agent context small
- How agents find an API (and where FastAF is)
- Why agent retries cost more than you think
- All how-to guides