Discover / rest.coincap.io

CoinCap

■ Challenge detected

Full asset data for one or more slugs (agent-optimized).

x402
Base
USDC

Listed price: $0.002
Challenge detected: 9 of the last 9 checks
Median response: 181 ms
Last checked: 16 Oct, 18:49 UTC
In our index since: 26 Sept 2026

Endpoint

curl -i https://rest.coincap.io/v3/agentFriendly/full_assets_by_slug
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

11 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://rest.coincap.io/v3/agentFriendly

GET/news_top$0.006Top crypto news headlines (agent-optimized).
GET/history/bitcoin$0.01Historical price series for an asset slug (capped data points).
GET/history/ethereum$0.01Historical price series for an asset slug (capped data points).
GET/ta/bitcoin/ema$0.004Exponential moving average (EMA) for an asset slug.
GET/total_market_cap_history$0.01Total crypto market-cap history (capped data points).
GET/asset_mcap_history/bitcoin$0.01Historical market-cap series for an asset slug (capped data points).
GET/ta/bitcoin/macd$0.004Moving average convergence divergence (MACD) for an asset slug.
GET/ta/bitcoin/rsi$0.004Relative strength index (RSI) for an asset slug.
GET/full_assets_by_slug$0.002Full asset data for one or more slugs (agent-optimized).
GET/assets_search$0.004Search CoinCap assets by name or symbol (agent-optimized).
GET/ta/bitcoin/sma$0.004Simple moving average (SMA) for an asset slug.

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

Showing 11 of 11 listed endpoints.

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

Recent checks

3 Oct 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.16 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
16 Oct, 18:49 UTC	Challenge detected	402	181ms
15 Oct, 11:37 UTC	Challenge detected	402	325ms
14 Oct, 00:19 UTC	Challenge detected	402	451ms
12 Oct, 00:34 UTC	Challenge detected	402	533ms
10 Oct, 12:38 UTC	Challenge detected	402	138ms
9 Oct, 09:34 UTC	Challenge detected	402	169ms
8 Oct, 06:42 UTC	Challenge detected	402	144ms
7 Oct, 03:32 UTC	Challenge detected	402	280ms
3 Oct, 17:05 UTC	Challenge detected	402	131ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 16 Oct, 18:49 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 CoinCap?

Its listed price is $0.002.

What payment terms does CoinCap advertise?

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

Where is CoinCap listed?

In x402 Bazaar. Superstables first indexed it on 26 Sept 2026.

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