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VIBE EVM Swap Quote
x402
VIBE EVM Swap Quote is a paid API for AI agents from api.vibe.airforce, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Get a swap quote for exchanging one EVM token for another on Base or Ethereum, paid per-call via x402 USDC microtransaction.
Price / call$0.005
Success—
StatusUnknown
How this service works
Top Picks: AI-verified smart money tokens every 30 min. 6-dimension scores, one-sentence thesis, smart money flow data. Plus 50+ crypto-data endpoints via x402 USDC on Base. No API keys, no accounts.
Output
Returns a swap quote including the expected output token amount, exchange rate, price impact, and routing details for swapping the specified input token to the output token on the given EVM network.
Example use cases
ETH to DAI swap estimate
“I'm thinking about swapping 2 ETH for DAI on Ethereum mainnet — can you pull me a quote showing the expected DAI output, the exchange rate, and what the price impact would look like?”
USDC to WETH rate check
“How much WETH would I get if I swapped 500 USDC on Base right now? Can you grab me a quote with the current exchange rate and any routing details?”
Token swap slippage comparison
“I want to trade 1000 USDC for CBETH on Base — can you get me a swap quote with a 30 basis point slippage tolerance so I can see the expected output and price impact before I commit?”
Technical details
Endpoint
POSThttps://api.vibe.airforce/api/x402/vibe-tools/evm/swap-quoteWhen to prefer
Use this endpoint when you need a lightweight, pay-per-call swap quote on Base or Ethereum without API keys or account setup, especially when building agents that need on-demand DeFi pricing via x402 USDC micropayments.
Side effects
- Invalid token address returns error — ensure EVM-compatible address or use 'eth' for native
- Unsupported network returns error — only 'base' and 'ethereum' are supported
- Zero or negative amount causes validation failure
- Highly illiquid token pair may return no route found
- Missing required fields (amount, token_in, token_out) returns 400-level error
- Payment failure via x402 protocol blocks the request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| amountrequired | string | Amount in human-readable units (e.g. '0.1') |
| network | string | EVM network (base, ethereum) |
| slippage | string | Slippage tolerance in basis points |
| token_inrequired | string | Input token address (or 'eth' for native) |
| token_outrequired | string | Output token address (or 'eth' for native) |
Output
Schema · Response
{}Tags
x402
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