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FX Reference Rates

x402Not rated yetLast checked 38 min ago

GET https://x402.professorsausages.com/fx-rates/rate/:base/:quote

Listed in Coinbase x402 Bazaar

One EUR-triangulated cross-rate with inverse and auditable EUR legs, latest or any date back to 1999

Price$0.002per quote or market lookup · paid in USD on Base

Uptime–

Not probed yet

Score–Needs 3 checks

Paid usage, 30 days1payers · 1 calls

Other endpoints from x402.professorsausages.com

The same service's other paid functions that Hagglyai tracks, each with its own price. Functions outside Hagglyai's categories are not listed.

Endpoint	Category	Price per call
GET /13f-holdings/top	Stocks & forex	$0.02
GET /company/:idOrTicker/financials	People & company enrichment	$0.005
GET /fx-rates/latest	Stocks & forex	$0.02
GET /fx-rates/on/:date	Stocks & forex	$0.003
GET /insider-trades/company/:idOrTicker	Stocks & forex	$0.01
GET /insider-trades/company/:idOrTicker/summary	Stocks & forex	$0.02
GET /insider-trades/insider/:cik	Stocks & forex	$0.01
GET /insider-trades/recent	Stocks & forex	$0.02
GET /news/ai	News	$0.02
GET /news/headlines	News	$0.02
GET /news/search	News	$0.03
GET /news/timeline	News	$0.03
GET /prices/spot/:pair	Crypto prices & market data	$0.002
GET /sec-10k/filing/:cik	Stocks & forex	$0.01
GET /sec-10q/filing/:cik	Stocks & forex	$0.01

How to buy

This endpoint takes pay-per-call payments over x402. Call it once without paying to see its live price; any x402 client then pays and retries automatically.

curl -i -X GET "https://x402.professorsausages.com/fx-rates/rate/:base/:quote"
# HTTP/1.1 402 Payment Required: price, asset and payTo are in the response

Recent checks

Checked (UTC)	Result	Status	Time	Live price
2026-10-14 19:00	No valid 402	400	623 ms	not listed

Receipts

No test purchases yet. Graded test purchases are next on our list; until then every number here comes from unpaid checks.

What a check proves