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x402engine.app

x402Not rated yetLast checked 2 hours ago

GET https://x402engine.app/api/travel/flights

Listed in Coinbase x402 Bazaar

x402engine — Search flights via Google Flights (SerpApi). Returns best flights, prices, airlines, and price insights.

Price$0.02per travel search · paid in USD on Base

Uptime100%

1/1 probes · 1355 ms

Score–Needs 3 checks

Paid usage, 30 days10payers · 103 calls

Other endpoints from x402engine.app

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 /api/crypto/history	Crypto prices & market data	$0.003
GET /api/crypto/markets	Crypto prices & market data	$0.002
GET /api/crypto/price	Crypto prices & market data	$0.001
POST /api/image/nano-banana	Web search	$0.1
POST /api/llm/gemini-3-flash	LLM inference	$0.013
POST /api/llm/gemini-3-pro	LLM inference	$0.057
POST /api/llm/gemini-3.1-flash-lite	LLM inference	$0.0072
POST /api/llm/gemini-3.1-pro	LLM inference	$0.057
POST /api/llm/gemini-3.5-flash-lite	LLM inference	$0.0074
POST /api/llm/gemini-3.6-flash	LLM inference	$0.012
POST /api/llm/gpt-4o	LLM inference	$0.034
POST /api/llm/gpt-4o-mini	LLM inference	$0.0034
POST /api/llm/gpt-5-nano	LLM inference	$0.0024
POST /api/llm/gpt-5.1	LLM inference	$0.026
POST /api/llm/gpt-5.2	LLM inference	$0.035
POST /api/llm/gpt-5.2-codex	LLM inference	$0.035
POST /api/llm/gpt-5.2-pro	LLM inference	$0.406
POST /api/llm/gpt-5.3-codex	LLM inference	$0.035
POST /api/llm/gpt-5.4	LLM inference	$0.071
POST /api/llm/gpt-5.6-luna	LLM inference	$0.0077
POST /api/llm/gpt-5.6-luna-pro	LLM inference	$0.0077
POST /api/llm/gpt-5.6-sol-pro	LLM inference	$0.059
POST /api/llm/gpt-5.6-terra	LLM inference	$0.064
POST /api/llm/gpt-5.6-terra-pro	LLM inference	$0.064
POST /api/llm/gpt-6-astra	LLM inference	$0.29
POST /api/llm/gpt-6-luna	LLM inference	$0.0043
POST /api/llm/gpt-6.1-sol	LLM inference	$0.059
POST /api/llm/llama-4-maverick	LLM inference	$0.0039
POST /api/llm/perplexity	Web search	$0.045
POST /api/llm/qwen3.5	LLM inference	$0.0067
POST /api/llm/qwen3.7-max	LLM inference	$0.021
POST /api/llm/qwen3.7-plus	LLM inference	$0.016
POST /api/llm/qwen3.8-omni-flash	LLM inference	$0.0032
POST /api/search/web	Web search	$0.01
POST /api/token/prices	Crypto prices & market data	$0.005
GET /api/travel/hotels	Flights & travel	$0.02
POST /api/wallet/transactions	On-chain data	$0.005
GET /api/web/scrape	Web page extraction	$0.005

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://x402engine.app/api/travel/flights"
# 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 18:15	Valid 402	402	1355 ms	$0.02

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