Discover / api.messari.io

Messari

■ Challenge detected

Get multi-window ROI snapshots for one or more cryptocurrency assets.

x402
Base
Solana
X Layer
USDC
Data

Listed price: $0.1
Challenge detected: 10 of the last 10 checks
Median response: 196 ms
Last checked: 17 Oct, 09:26 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://api.messari.io/metrics/v2/assets/roi
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

3 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://api.messari.io

GET/funding/v1/roundsNo price listedGet paginated crypto funding rounds with investors, stage, and raised amounts.
GET/funding/v1/projectsNo price listedDiscover crypto projects and their fundraising history.
GET/metrics/v2/assets/roiNo price listedGet multi-window ROI snapshots for one or more cryptocurrency assets.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 3 of 3 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.messari.io

Recent checks

28 Sept 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.17 Oct 2026

All 10 checks

When (UTC)	Result	HTTP	Response
17 Oct, 09:26 UTC	Challenge detected	402	264ms
16 Oct, 08:13 UTC	Challenge detected	402	277ms
14 Oct, 23:56 UTC	Challenge detected	402	274ms
13 Oct, 10:39 UTC	Challenge detected	402	210ms
11 Oct, 10:02 UTC	Challenge detected	402	240ms
9 Oct, 21:31 UTC	Challenge detected	402	148ms
8 Oct, 15:35 UTC	Challenge detected	402	159ms
7 Oct, 15:42 UTC	Challenge detected	402	135ms
6 Oct, 15:31 UTC	Challenge detected	402	182ms
28 Sept, 17:02 UTC	Challenge detected	402	113ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 09:26 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for Messari?

Its listed price is $0.1.

What payment terms does Messari advertise?

The listing advertises x402, Base, Solana, X Layer and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Messari listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 26 Sept 2026.

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