Conformance
22/100
grade F · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
not yet measured
wallet declared · scan pending
Invocations · 7d
0
no calls observed
Listing drift · 7d
changed
2 snapshots tracked
Owner
unverified
claim this listing →
Dispute or improve this rating
F
Conformance score: 22/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.
Show breakdown
Hide breakdown
F
Conformance score: 22/100
Catalogue listing, not an A2A agent: a paid API listed by agentic.market. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.
fail
Live endpoint
0/25
No response from the host observed: listed by agentic.market only, not confirmed by our own probe.
partial
Verified Identity
5/10
Provider declared: api.centaur.io (https://api.centaur.io). Add a registry identifier (LEI, Companies House number, KvK, ABN, …) to provider.legalEntity for full verified-business credit.
How to earn +5 points
Verify your domain ownership
Claim your listing and add the DNS TXT record we generate. Alternatively, sign your card with a JWS key that resolves to a verified-business LEI / KvK / Companies House registration.
Docs
pass
Freshness + modern flags
4/5
seen in upstream source within 0d
n/a
Agent card · Protocol version · JWS signature · Uptime track record · Skill declaration · Security declaration
Listing changed in the last 7 days. See history.
Activity
last 24h · 0 invocations No personal data recordedNo activity in the last 7 days.
Endpoints
Browse x402 resources on this host
Pricing
x402 on Base
USDC
Facilitator feed
From $0.0200 per call
| Endpoint | Price | Currency |
|---|---|---|
https://api.centaur.io/v1/x402/events
Base
|
0.5 | USDC |
https://api.centaur.io/v1/x402/feed
Base
|
0.5 | USDC |
https://api.centaur.io/v1/x402/messages
Base
|
0.02 | USDC |
https://api.centaur.io/v1/x402/positions
Base
|
0.5 | USDC |
https://api.centaur.io/v1/x402/traders/rankings
Base
|
0.2 | USDC |
Settlement wallet:
0x14cc251bc62239056d3e0ae23be0cefa4b260dd0 on Base
· basescan ↗
Listed by facilitators
Coinbase CDP · 5
Observed on-chain inflow
verified on-chain
Last 7d
$0.02
1 transfer · synced 2026-11-14
USDC on Base. Inflow to a wallet, not proof that every transfer was a paid call.
How it was settled and checked
$0.49 in the ledger, not classified yet.
Cross-check: Coinbase's Bazaar reports 6 calls in 30 days across 5 resources; we observed 7 transfers (0 facilitator-settled) over 24 of 30 scanned days. Neither counter is assumed correct.
Reproducible via eth_getLogs on USDC Transfer events to the wallet. How we classify
Payment authenticity
How we measure this →
Payer identities observed; a single payer accounts for effectively all observed volume.
Daily settled amounts repeat identically across days, which is consistent with scheduled or scripted activity as well as with flat-rate demand.
$0.51 assessed
8 transactions
3/24 days active · 30d window
Payer identities available
A low label reflects what we can observe, not a finding about the operator.
How this was checked
2 evidence caveats · measured 2026-11-15.
Checks: daily volume aggregate, active day cadence, amount regularity, spike concentration, settlement wallet overlap, payer uniqueness, payer concentration, payer recurrence, payer payee overlap.
Sources: agent revenue daily, agents payment wallet, agent payment transactions.
Checks: daily volume aggregate, active day cadence, amount regularity, spike concentration, settlement wallet overlap, payer uniqueness, payer concentration, payer recurrence, payer payee overlap.
Sources: agent revenue daily, agents payment wallet, agent payment transactions.
Payer concentration and 7 / 30 / 90-day windows:
wallet_intel,
payment_intelligence
· included in Pro
| Agent card | https://api.centaur.io |
| Provider | https://api.centaur.io |
| Docs | https://api.centaur.io |
Discovered via
agentic market
Health · last 1 probes
Similar agents
Embed a badge
Updates itself and links back here.
[](https://agenstry.com/agents/api.centaur.io) [](https://agenstry.com/agents/api.centaur.io) [](https://agenstry.com/agents/api.centaur.io) [](https://agenstry.com/agents/api.centaur.io)
Audit evidence
JSON for vendor reviews. Signed copy verifies against our JWKS.
Raw agent card JSON
{
"_source": "agentic.market",
"service": {
"id": "api-centaur-io",
"name": "api.centaur.io",
"description": "",
"domain": "api.centaur.io",
"provider": "api.centaur.io",
"providerUrl": "",
"category": "",
"networks": [
"Base"
],
"enriched": false,
"endpoints": [
{
"url": "https://api.centaur.io/v1/x402/events",
"description": "Trade actions announced by traders, newest first: opening, increasing, reducing or closing a long or short position. Each result gives the trader, asset, action time and price, the position it belongs to and, when available, the post that announced it. Flags mark actions the trader only implied or reported late. Covers roughly the last 90 days.",
"pricing": {
"amount": "0.5",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "assets",
"type": "string",
"description": "",
"example": "BTC",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://api.centaur.io/v1/x402/feed",
"description": "Posts from the last seven days in which traders announce trades, newest first. Each result is one post (text, attachments, link, trader) with the trade actions it announces: asset, long or short, action, time and price.",
"pricing": {
"amount": "0.5",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "assets",
"type": "string",
"description": "",
"example": "BTC",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://api.centaur.io/v1/x402/messages",
"description": "Posts by traders on X and Telegram, newest first: text, attachments, publication time, link and author account. Filter by trader, platform, time or post ID. Covers roughly the last 90 days.",
"pricing": {
"amount": "0.02",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [],
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"quality": {
"l30DaysTotalCalls": "2",
"l30DaysUniquePayers": "2"
}
},
{
"url": "https://api.centaur.io/v1/x402/positions",
"description": "Positions traders have opened, newest first: asset, long or short, entry time and price, and the return 1, 7 and 30 days after entry. Returns measure the price move after entry, not realized profit; a status explains any missing return. Covers roughly the last 90 days.",
"pricing": {
"amount": "0.5",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "assets",
"type": "string",
"description": "",
"example": "BTC",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
}
},
{
"url": "https://api.centaur.io/v1/x402/traders/rankings",
"description": "Traders ranked by trading activity, win rate, average or median return, or Sharpe ratio. Each result gives the trader, rank, metric value, activity counts and, for performance rankings, the figures behind it. Ranks by activity by default; choose a performance metric and window to rank by returns.",
"pricing": {
"amount": "0.2",
"currency": "USDC",
"network": "eip155:8453",
"scheme": "exact",
"maxAmount": "",
"minAmount": ""
},
"method": "GET",
"providerName": "",
"parameters": [
{
"group": "query",
"name": "metric",
"type": "string",
"description": "",
"example": "win_rate",
"enumValues": [],
"default": null,
"required": false
}
],
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"quality": {
"l30DaysTotalCalls": "1",
"l30DaysUniquePayers": "1"
}
}
],
"integrationType": "",
"isNew": false,
"priceSummary": {
"minAmount": "0.02",
"maxAmount": "0.5",
"avgCostPerTransaction": "0.344",
"avgCostBasis": "exact",
"currency": "USDC"
},
"serviceName": "Centaur API",
"tags": [
"crypto",
"trading",
"market-data"
],
"iconUrl": ""
}
}