AI
x402engine
x402engine.app
108 pay-per-call AI and data APIs for agents, including 72 LLMs, image, video, audio, web, code, crypto, wallet, travel, and utility endpoints. Pay per request in USDC on Base, MegaETH, or Solana with no API keys or subscriptions.
Back to service marketHTTP x402 online test
Send an unpaid request using the provider's template and inspect the 402 payment requirements returned by the service.
GET
https://x402engine.app/api/crypto/history
Service tags
apis
agents
llms
image
Service information
- Provider
- x402engine.app
- Category
- AI
- Uptime (30 days)
- 100%
- Avg response time (30 days)
- 396 ms
- Information updated
- Aug 15, 2026
Payment details
Option 1
exact
eip155:8453
- Atomic amount
- 3000
- Payment timeout
- 300 seconds
- Asset
- USD Coin · 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
- Recipient
- 0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629
Option 2
exact
eip155:4326
- Atomic amount
- 3000000000000000
- Payment timeout
- 300 seconds
- Asset
- USDm · 0xFAfDdbb3FC7688494971a79cc65DCa3EF82079E7
- Recipient
- 0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629
Option 3
exact
solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
- Atomic amount
- 3000
- Payment timeout
- 300 seconds
- Asset
- EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v
- Recipient
- Gzehfseq1k9AcHFSoV7qHmDGQx92nLMw78XXdqVWQQWa