Blockchain Data · x402
Get multi-window ROI snapshots for one or more cryptocurrency assets
Get multi-window ROI snapshots for one or more cryptocurrency assets.
by api.messari.io · discovered, not yet claimed by its owner · updated 2026-10-13
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
Get multi-window ROI snapshots for one or more cryptocurrency assets.
Tags: bazaar
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/54161.jsonfor the price and payment options. - Pay. Call
GET https://api.messari.io/metrics/v2/assets/roi. 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, Solana, eip155:196, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.1 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base, Solana, eip155:196
- Calls (30d)
- 33 · 6 unique payers (third-party data from the public x402 Bazaar)
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.1 | 0x75Ddd3c42eAce13c59EA0CD1141B886A1c70D2A5 | 60s |
| exact | Solana solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp | USDC | $0.1 | jPt2dffmPi7WEtV8J6UFHJQaatEJVyuSFmz5b4DHFG8 | 60s |
| exact | eip155:196 eip155:196 | 0x779Ded0c9e1022225f8E0630b35a9b54bE713736 | 100000 | 0xda60f4d061fc9acf3b107123f0bf44c293b328d0 | 60s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x75Ddd3c42eAce13c59EA0CD1141B886A1c70D2A5",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "100000",
"amountUsd": 0.1,
"maxTimeoutSeconds": 60
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "jPt2dffmPi7WEtV8J6UFHJQaatEJVyuSFmz5b4DHFG8",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "100000",
"amountUsd": 0.1,
"maxTimeoutSeconds": 60
},
{
"scheme": "exact",
"network": "eip155:196",
"payTo": "0xda60f4d061fc9acf3b107123f0bf44c293b328d0",
"asset": "0x779Ded0c9e1022225f8E0630b35a9b54bE713736",
"amount": "100000",
"maxTimeoutSeconds": 60
}
]Schemas
Output schema (JSON Schema)
{
"example": {
"data": [
{
"id": "btc",
"roi_30d": 0
}
]
}
}Example shape — generated from the schema, not a captured live response
{
"data": [
{
"id": "btc",
"roi_30d": 0
}
]
}Examples
curl
curl "https://api.messari.io/metrics/v2/assets/roi"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidJavaScript
const res = await fetch("https://api.messari.io/metrics/v2/assets/roi");
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://api.messari.io/metrics/v2/assets/roi")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- api.messari.io
- Endpoint
- https://api.messari.io/metrics/v2/assets/roi
- Machine-readable
/resources/54161.json