Use when you need a wallet portfolio value in USD, a wallet net worth or token b
Use when you need a wallet portfolio value in USD, a wallet net worth or token balances with USD value for a 0x address. Do not use for solana wallets, transaction history, NFTs, DeFi positions or long-tail tokens. Returns JSON with a wallet's USD value on Ethereum and Base in one call: native and major-token balances priced on-chain from Uniswap v3 pools on Base, per-chain totals and the tokens left unpriced for 0.005 USDC per call. Typical response time 5000 ms (p95). Category: Trading.
Answeringour last check, 2026-10-18
1 of 1checks answered this week
1238 msmedian answer time
$0.005listed price per call
$0.005price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402-gateway.blackwoodstate8.workers.dev/v1/wallet-value
| Category | Market data |
|---|---|
| Provider host | x402-gateway.blackwoodstate8.workers.dev |
| Networks | eip155:8453 |
| Payment schemes | exact, upto |
| Self-reported calls, 30 days | 3 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-18 | valid payment request | 402 | $0.005 | 1238 ms |
Example input (from the provider)
{
"body": {
"address": "0x87DB3C25d1E8E40f8EF240D48a711B0C355CF8Cf",
"chains": [
"base"
]
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"address": {
"description": "Wallet address (0x...) on Ethereum and Base, e.g. 0xd8dA6BF26964aF9D7eEd9e03E53415D37aA96045",
"pattern": "^0x[0-9a-fA-F]{40}$",
"type": "string"
},
"chains": {
"description": "Chains to value (ethereum and base when omitted), e.g. [\"base\"]",
"items": {
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"maxItems": 2,
"minItems": 1,
"type": "array"
}
},
"required": [
"address"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"properties": {
"address": {
"type": "string"
},
"chains": {
"additionalProperties": false,
"properties": {
"base": {
"type": [
"number",
"null"
]
},
"ethereum": {
"type": [
"number",
"null"
]
}
},
"required": [
"ethereum",
"base"
],
"type": "object"
},
"errors": {
"additionalProperties": {
"type": "string"
},
"propertyNames": {
"type": "string"
},
"type": "object"
},
"holdings": {
"items": {
"additionalProperties": false,
"properties": {
"balance": {
"type": "string"
},
"chain": {
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"contract": {
"type": [
"string",
"null"
]
},
"priceUsd": {
"type": [
"number",
"null"
]
},
"symbol": {
"type": "string"
},
"valueUsd": {
"type": [
"number",
"null"
]
}
},
"required": [
"chain",
"symbol",
"contract",
"balance",
"priceUsd",
"valueUsd"
],
"type": "object"
},
"type": "array"
},
"next": {
"additionalProperties": false,
"description": "Suggested next paid call in the same family (call it in a loop when the task continues)",
"properties": {
"method": {
"enum": [
"GET",
"POST"
],
"type": "string"
},
"sample": {
"description": "Free fixed sample of the whole family",
"type": "string"
},
"service": {
"description": "Service id of the suggested next paid call",
"type": "string"
},
"tool": {
"description": "MCP tool name of the same call",
"type": "string"
},
"url": {
"description": "Paid route of the next call",
"type": "string"
},
"useWhen": {
"description": "When the next call is the right one",
"type": "string"
}
},
"required": [
"service",
"tool",
"method",
"url",
"useWhen",
"sample"
],
"type": "object"
},
"note": {
"type": "string"
},
"totalUsd": {
"type": "number"
},
"unpriced": {
"items": {
"additionalProperties": false,
"properties": {
"chain": {
"enum": [
"ethereum",
"base"
],
"type": "string"
},
"reason": {
"type": "string"
},
"symbol": {
"type": "string"
}
},
"required": [
"chain",
"symbol",
"reason"