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Coin Railz Seamless Chain Bridge - Cross-Chain USDC Transfer via Circle CCTP
x402
Coin Railz Seamless Chain Bridge - Cross-Chain USDC Transfer via Circle CCTP is a paid API for AI agents from coinrailz.com, paid per call via x402, $2/call, status unknown (last checked 2026-09-14).
Bridges USDC across blockchains (Ethereum, Base, Polygon, Arbitrum) using Circle's CCTP for near-instant cross-chain transfers
Price / call$2
Success—
StatusUnknown
How this service works
Cross-chain USDC routing via Circle CCTP - Pay on Ethereum, receive on Base/Polygon/Arbitrum instantly (Premium B2B2C Infrastructure)
Output
Returns a bridgeTransaction object with cross-chain transaction details and an estimatedTime (in seconds) for when the USDC will arrive on the destination chain via Circle CCTP.
Example use cases
Example prompt
“Bridge 500 USDC from Ethereum (from my wallet 0xABCDef1234567890abcdef1234567890abcdef12) to Base network, sending it to my Base address 0x9876543210fedcba9876543210fedcba98765432.”
Technical details
Endpoint
POSThttps://coinrailz.com/x402/service/seamless-chain-bridgeWhen to prefer
Use this endpoint when an agent needs to move USDC between Ethereum mainnet and L2 chains (Base, Polygon, Arbitrum) and requires a structured transaction response with time estimates. Prefer over manual DEX bridging when Circle CCTP-backed reliability and instant finality are required.
Side effects
- Invalid or unsupported source/destination chain combination
- Malformed wallet addresses for fromAddress or toAddress
- Amount too low or too high for bridge limits
- Insufficient USDC balance on source chain
- Circle CCTP attestation delay or timeout
- Network congestion causing slower-than-estimated completion
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| amountrequired | string | USDC amount to bridge |
| toChainrequired | string | Destination blockchain |
| currency | string | Currency to bridge (default: USDC) |
| fromChainrequired | string | Source blockchain |
| toAddressrequired | string | Recipient wallet address on destination chain |
| fromAddressrequired | string | Sender wallet address |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| estimatedTime | number | Estimated completion time in seconds |
| bridgeTransaction | object | Cross-chain bridge transaction details |
Tags
x402
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