Blackwood State Token Discovery
Use when you need altcoin discovery, new token listings or fresh Base tokens with real liquidity to research. Do not use for established coins, other chains or DEXs, price history, trading signals or token safety audits. Returns JSON with new tokens on Base that just got liquidity: Uniswap v3 pools created in the last hours against WETH or USDC, read on-chain from pool creation events, with price, depth and age for 0.003 USDC per call. Typical response time 3000 ms (p95). Category: Trading.
SearchLiveeip155:8453Exactvia cdp
Altcoin discoveryNew token listingsBase tokensTrading
Calls · 30d
2
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far.
$0.009
Verified settled volume
3 settlements proven x402 by their on-chain EIP-3009 marker.
$0.0030
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
2
Unique payers · 30d
Last called 2026-10-20 00:18Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0xb510c30097476eC5863B5b3aA486F1838a8619EAThe wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.003USDC≈ $0.003 USD
on Base · exact scheme
Pay 0.003 USDC on Base to 0xb510…619EA. The signed payment is good for 1 minute.
- Paid to
- 0xb510…619EA
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 3000 smallest units
0.003USDC≈ $0.003 USD
on Base · upto scheme
Pay 0.003 USDC on Base to 0xb510…619EA. The signed payment is good for 1 minute.
- Paid to
- 0xb510…619EA
- USD Coin contract
- 0x8335…02913
- Payment window
- 1 minute
- As published
- 3000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0xb510c30097476eC5863B5b3aA486F1838a8619EA",
"amount": "3000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
},
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2",
"facilitatorAddress": "0x64cC42B1cE598e3aBcfBB64Df4688521DDBf1f0A",
"assetTransferMethod": "permit2"
},
"payTo": "0xb510c30097476eC5863B5b3aA486F1838a8619EA",
"amount": "3000",
"scheme": "upto",
"network": "eip155:8453",
"maxTimeoutSeconds": 60
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"hours": 24,
"limit": 3
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"note": "New tokens are read on-chain from Uniswap v3 PoolCreated events on Base, paired with WETH or USDC; depth is the WETH or USDC balance of the pool in USD and price comes from the pool itself (WETH priced by the WETH/USDC pool). A new pool says nothing about safety: check the contract, holders and liquidity locks before trading. Other DEXs (Uniswap v4, Aerodrome) are not read.",
"source": "Uniswap v3 PoolCreated events and pool state on Base (on-chain)",
"tokens": [
{
"name": "MajorWOLF",
"pool": "0x19d0203318e9889add539b5bf0e9b054d1f62889",
"quote": "WETH",
"token": "0xf8cfec7b01455831800c188715f4c43242f32b46",
"symbol": "WLF",
"feeTier": 3000,
"ageHours": 1.9,
"decimals": 18,
"depthUsd": 11830,
"priceUsd": 0.00118304,
"createdBlock": 52776914
}
],
"window": {
"hours": 24,
"toBlock": 52780295,
"fromBlock": 52737095
},
"coverage": {
"hours": 12,
"fromBlock": 52758696
},
"scannedPools": 46
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"required": [],
"properties": {
"hours": {
"type": "integer",
"maximum": 72,
"minimum": 1,
"description": "Look back this many hours for new pools, 1 to 72 (24 when omitted), e.g. 24"
},
"limit": {
"type": "integer",
"maximum": 25,
"minimum": 1,
"description": "Tokens to return, 1 to 25 (10 when omitted), e.g. 5"
},
"quote": {
"enum": [
"any",
"WETH",
"USDC"
],
"type": "string",
"description": "Quote side of the pool (any when omitted), e.g. \"WETH\""
},
"minDepthUsd": {
"type": "number",
"maximum": 100000000,
"minimum": 0,
"description": "Minimum USD on the WETH or USDC side of the pool (5000 when omitted), e.g. 10000"
}
}
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"required": [
"tokens",
"window",
"coverage",
"scannedPools",
"source",
"note"
],
"properties": {
"next": {
"type": "object",
"required": [
"service",
"tool",
"method",
"url",
"useWhen",
"sample"
],
"properties": {
"url": {
"type": "string",
"description": "Paid route of the next call"
},
"tool": {
"type": "string",
"description": "MCP tool name of the same call"
},
"method": {
"enum": [
"GET",
"POST"
],
"type": "string"
},
"sample": {
"type": "string",
"description": "Free fixed sample of the whole family"
},
"service": {
"type": "string",
"description": "Service id of the suggested next paid call"
},
"useWhen": {
"type": "string",
"description": "When the next call is the right one"
}
},
"description": "Suggested next paid call in the same family (call it in a loop when the task continues)",
"additionalProperties": false
},
"note": {
"type": "string"
},
"source": {
"type": "string"
},
"tokens": {
"type": "array",
"items": {
"type": "object",
"required": [
"token",
"symbol",
"name",
"decimals",
"quote",
"pool",
"feeTier",
"createdBlock",
"ageHours",
"priceUsd",
"depthUsd"
],
"properties": {
"name": {
"type": [
"string",
"null"
]
},
"pool": {
"type": "string"
},
"quote": {
"enum": [
"WETH",
"USDC"
],
"type": "string"
},
"token": {
"type": "string"
},
"symbol": {
"type": [
"string",
"null"
]
},
"feeTier": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
},
"ageHours": {
"type": "number"
},
"decimals": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
},
"depthUsd": {
"type": "number"
},
"priceUsd": {
"type": "number"
},
"createdBlock": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
}
},
"additionalProperties": false
}
},
"window": {
"type": "object",
"required": [
"hours",
"fromBlock",
"toBlock"
],
"properties": {
"hours": {
"type": "number"
},
"toBlock": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
},
"fromBlock": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
}
},
"additionalProperties": false
},
"coverage": {
"type": "object",
"required": [
"fromBlock",
"hours"
],
"properties": {
"hours": {
"type": "number"
},
"fromBlock": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
}
},
"additionalProperties": false
},
"scannedPools": {
"type": "integer",
"maximum": 9007199254740991,
"minimum": -9007199254740991
}
},
"additionalProperties": false
}
}
}
}
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"required"
],
"properties": {
"id": {
"type": "string",
"pattern": "^[a-zA-Z0-9_-]+$",
"maxLength": 128,
"minLength": 16
},
"required": {
"type": "boolean"
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-10-26 13:46Z
- Last indexed by Roundhouse
- 2026-10-26 17:20Z
- Last enriched (probe, favicon, geo)
- 2026-10-19 14:45Z
- x402 version
- 2
- Max timeout
- 60s
- Liveness probe
- HTTP 200
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 9 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service Blackwood State Token Discovery and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=Blackwood%20State%20Token%20Discovery' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://x402-gateway.blackwoodstate8.workers.dev/v1/altcoin-discovery, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Either pay over x402 (mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402), or ask me for an organization key, which I create at https://roundhouseai.io/dashboard/connections. If you have neither, ask before going further. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.