X4
Market Data · x402 · early usage
GenesisBlock: Breaking crypto news and real-time price tickers
GenesisBlock: Breaking crypto news and real-time price tickers.
by x402-test.genesisblock.ai · discovered, not yet claimed by its owner · updated 2026-10-04
30d calls9
30d payers3
MethodGET
Outputjson
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
GenesisBlock: Breaking crypto news and real-time price tickers.
Tags: bazaar
Call contract
- Method
- GET
- Input
- HTTP request
- Output
- json
- Last paid call
- 2026-10-04
No input exampleProvider did not publish one in Bazaar metadata.
Output example
{
"data": {
"count": 20,
"items": [
{
"id": "cn-001",
"title": "Base Sepolia activity surges as x402 micropayment rails attract agent traffic"
}
],
"prices": [
{
"changePct24h": 1.85,
"symbol": "BTC",
"usd": 71245.1
}
]
},
"meta": {
"node": "x402-edge",
"schema": "x402.bazaar.crypto-news/v2"
}
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/29664.jsonfor the price and payment options. - Pay. Call
GET https://x402-test.genesisblock.ai/api/crypto-news. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base Sepolia, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- see accepts
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base Sepolia
- Demand
- 9 calls · 3 unique payers in 30d (public x402 Bazaar data)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base Sepolia eip155:84532 | USDC | 2000 | 0xA27f7cB624B57C79d7F9de03ae9F5C705c2858dB | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:84532",
"payTo": "0xA27f7cB624B57C79d7F9de03ae9F5C705c2858dB",
"asset": "0x036CbD53842c5426634e7929541eC2318f3dCF7e",
"amount": "2000",
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"additionalProperties": false,
"properties": {
"example": {
"type": "object"
},
"type": {
"const": "json",
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {},
"type": "string"
}Examples
curl
curl "https://x402-test.genesisblock.ai/api/crypto-news"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidJavaScript
const res = await fetch("https://x402-test.genesisblock.ai/api/crypto-news");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://x402-test.genesisblock.ai/api/crypto-news")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- x402-test.genesisblock.ai
- Endpoint
- https://x402-test.genesisblock.ai/api/crypto-news
- Machine-readable
/resources/29664.json