Parameters4
| Parameter | Type | Default | Example |
|---|---|---|---|
chainId | number | null | 84532 |
limit | number | null | 10 |
minReputation | number | null | 70 |
tag | string | null | swap |
x402.silverbackdefi.app
x402.silverbackdefi.app- Category
- Service
- Network
- Avg / request
- $0.002 – $0.10
- Endpoints
- 23
Service overview
What is x402.silverbackdefi.app?
Token swap via 0x Permit2. You sign EIP-712 data, append signature to tx, and broadcast. Response includes step-by-step instructions with code examples.
Level up your agent by giving it access to thousands of services. All payable per-request via x402. No API keys, no accounts.
Paste into your agentic chat and let your agent guide you.
Make a Call
Example request
npx awal x402 pay "https://x402.silverbackdefi.app/api/v1/agent-discover" \
--method POST \
--data '{
"chainId": "{chainId}",
"limit": "{limit}",
"minReputation": "{minReputation}",
"tag": "{tag}"
}'What you get back
{
"endpoint": "POST /api/v1/agent-discover",
"paid": true,
"query": "example input",
"result": {
"value": "Structured response from the service."
}
}API surface
Endpoints
23 crawlable routes
Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
agentId | number | null | 17 |
chainId | number | null | 84532 |
includeHistory | boolean | null | true |
Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
amountAmount to check | string | 1 | 1 |
tokenInInput token symbol (WETH, USDC) or address | string | null | WETH |
tokenOutOutput token symbol or address | string | null | USDC |
Parameters4
| Parameter | Type | Default | Example |
|---|---|---|---|
period | string | null | 30 |
signalThreshold | number | null | 70 |
strategy | string | null | momentum |
token | string | null | bitcoin |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
daysHistorical period in days | number | 30 | 30 |
tokensComma-separated CoinGecko token IDs (e.g., bitcoin,ethereum,solana) | string | null | [] |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
riskTolerance | string | null | medium |
token | string | null | USDC |
Parameters4
| Parameter | Type | Default | Example |
|---|---|---|---|
amountAmount in smallest unit (lamports/base units) | string | null | 1000000000 |
inputMintSolana token mint address to swap from | string | null | So11111111111111111111111111111111111111112 |
outputMintSolana token mint address to swap to | string | null | EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v |
slippageBpsSlippage in basis points (default: 50) | number | null | null |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
tokenA | string | null | 0x4200000000000000000000000000000000000006 |
tokenB | string | null | 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 |
Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
limitNumber of results (default: 20, max: 50) | number | null | 20 |
Parameters4
| Parameter | Type | Default | Example |
|---|---|---|---|
amountIn | string | null | 0.1 |
tokenIn | string | null | WETH |
tokenOut | string | null | USDC |
walletAddress | string | null | 0xYourWallet |
Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
amountIn | string | null | 1.0 |
tokenIn | string | null | 0x4200000000000000000000000000000000000006 |
tokenOut | string | null | 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913 |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
timeframe | string | null | 7 |
token | string | null | bitcoin |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
chainId | number | null | 8453 |
token | string | null | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
tokenIdCoinGecko token ID (e.g., 'bitcoin', 'ethereum', 'solana', 'base') | string | null | null |
Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
tokenIdCoinGecko token ID (e.g., 'bitcoin', 'ethereum', 'solana', 'base') | string | null | null |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
chainFilter by chain: base, solana, ethereum, or all | string | all | all |
limitNumber of coins (1-50) | number | 10 | 10 |
Parameters2
| Parameter | Type | Default | Example |
|---|---|---|---|
limitNumber of pools to return (1-20) | number | 10 | 10 |
minTvlMinimum TVL filter in USD | number | 100000 | 100000 |
Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
categoryFilter by category: dex, lending, bridge, etc. | string | null | null |
chainFilter by chain: base, solana, ethereum, arbitrum, or all | string | base | base |
limitNumber of protocols (1-50) | number | 10 | 10 |
Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
chainBlockchain network (required): base, ethereum, solana, arbitrum, polygon, bsc, avalanche, optimism | string | null | base |
Parameters1
| Parameter | Type | Default | Example |
|---|---|---|---|
address | string | null | 0xD34411a70EffbDd000c529bbF572082ffDcF1794 |
Parameters3
| Parameter | Type | Default | Example |
|---|---|---|---|
limit | number | null | 10 |
minValueUsd | number | null | 100000 |
token | string | null | 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
FAQ
Questions Agents Ask About x402.silverbackdefi.app
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