ToolVet
73trust / 100

Execute

by RAVN in Onchain & crypto

x402 APIPassing, checked 3 h ago

RAVN — execute a previously quoted swap. Returns a signable transaction, typed data to sign, or a Bitcoin deposit address depending on the route; RAVN never custodies funds. Same 0% fee, non-custodial engine the RAVN app itself runs on.

POST https://app.ravn.exchange/api/v1/x402/execute

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Status and outage history · Atom feed

Uptime
100%
Response time
1.4 s typical, 1.8 s slowest 5%
Last check
3 h ago
Next check
any minute now

How to call it

POST https://app.ravn.exchange/api/v1/x402/execute

Each call costs $0.01 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

POST https://app.ravn.exchange/api/v1/x402/execute
content-type: application/json

{
  "quoteToken": "eyJ2ZW51ZUlkIjoi..."
}

Parameters

ParameterTypeRequiredDescription
destinationAddressstringNoLate-bound output recipient, honoured by venues that bind the recipient at execution time (Chainflip, Garden, Layerswap, Mayan, NEAR Intents, Rift, 2-hop). Every other venue fixes the recipient when it prices the quote: supplying a DIFFERENT address here is rejected with INVALID_REQUEST rather than…
quoteTokenstringYesToken returned from POST /api/v1/quote
refundAddressstringNoLate-bound refund recipient, honoured by the same venues as destinationAddress. Every other venue fixes the refund address when it prices the quote, and supplying a DIFFERENT one here is rejected with INVALID_REQUEST rather than silently ignored; supply refundAddress on the quote call instead.

Example response

The provider's example. We can't check it without paying.

{
  "data": {
    "deposit": {
      "address": "bc1q...",
      "amount": "150000"
    },
    "executionType": "DEPOSIT",
    "statusRef": "bc1q..."
  }
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.01.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://app.ravn.exchange/api/v1/x402/execute' \
  -H 'content-type: application/json' \
  --data-raw '{"quoteToken":"eyJ2ZW51ZUlkIjoi..."}'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - -X POST 'https://app.ravn.exchange/api/v1/x402/execute' \
  -H 'content-type: application/json' \
  --data-raw '{"quoteToken":"eyJ2ZW51ZUlkIjoi..."}' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapp.ravn.exchange%2Fapi%2Fv1%2Fx402%2Fexecute&method=POST
const res = await pay("https://app.ravn.exchange/api/v1/x402/execute", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "quoteToken": "eyJ2ZW51ZUlkIjoi..."
  }),
});
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://app.ravn.exchange/api/v1/x402/execute",
        json={
            "quoteToken": "eyJ2ZW51ZUlkIjoi...",
        },
    )
    print(res.status_code, res.text)

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