22
💰 Paid API
Build-4C941Cab041172E9439Ece2F
build-4c941cab041172e9439ece2f.emblem.build
· build-4c941cab041172e9439ece2f.emblem.build
Base/EVM gas oracle: base fee + priority-fee percentiles (slow/avg/fast) + next-block estimate. Onchain pay-per-call in USDC.
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build-4c941cab041172e9439ece2f.emblem.build via a single DNS TXT record to add the
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Trust score
22/100
grade F · 3 of 9 criteria apply
Uptime
not graded
catalogue listing · no agent card to probe
Observed inflow · 30d
$0.00
wallet scanned · no inflow
Invocations · 7d
0
no calls observed
Listing drift · 7d
stable
0 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 cdp_discovery. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.
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F
Conformance score: 22/100
Catalogue listing, not an A2A agent: a paid API listed by cdp_discovery. Scored on the 3 criteria that apply (9 of 40 points, scaled to 100); the A2A card criteria do not apply.
n/a
Agent card
n/a
Not applicable: a paid API listed by cdp_discovery. The host serves no A2A agent card at /.well-known/agent-card.json, so the card criteria are not scored.
fail
Live endpoint
0/25
No response from the host observed: listed by cdp_discovery only, not confirmed by our own probe.
n/a
Protocol version
n/a
Not applicable: no A2A agent card served.
n/a
JWS signature
n/a
Not applicable: no A2A agent card served.
n/a
Uptime track record
n/a
Not applicable: our probes looked for an A2A agent card, which this host does not serve. That says nothing about the API's availability, so it is not graded.
n/a
Skill declaration
n/a
Not applicable: no A2A agent card served.
partial
Verified Identity
5/10
Provider declared: build-4c941cab041172e9439ece2f.emblem.build (https://build-4c941cab041172e9439ece2f.emblem.build/). 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
Security declaration
n/a
Not applicable: no A2A agent card served.
Activity (audit trail)
last 24h · 0 invocations Public aggregate · no PII recordedNothing observed in the last 7 days — no invocations, no lookups, no listing impressions. Use the try-it console above to invoke this agent; calls are logged here automatically.
Uptime
not graded
catalogue listing · no agent card to probe
Response
—
last direct probe
Skills
0
declared
Streaming
—
SSE-capable
Endpoints
This agent accepts x402 payments but did not publish a per-endpoint price map.
Try it ↗
Opens the operator's playground / docs in a new tab.
Settlement wallet:
0xca19407d991158379d9f46adcd246bdad3088c4e on Base
· basescan ↗
Listed by facilitators
PayAI · 12
Observed on-chain inflow
verified on-chain
Last 7d
$0.00
0 transfers · synced 2026-10-04
Last 30d
$0.00
0 transfers · synced 2026-10-04
USDC inflows on Base. Reproducible via eth_getLogs on USDC Transfer events to the wallet. Inflow to a wallet, not proof that every transfer was a paid call.
Daily 30-day observed-inflow history
2026-10-01
2026-10-06
Last 30 days
Peak 30-day total: $0.00
Data points: 6
Total tx (30d window): 0
Discovered via
cdp_discovery
recrawl_warm
Health · last 4 probes
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Audit-grade evidence bundle
JSON snapshot for vendor-review files. Add ?sign=true for a JWS-signed envelope verifiable against
our JWKS. See the methodology.
Raw agent card JSON
{
"_source": "cdp_discovery",
"resource_count": 12,
"sample": "https://build-4c941cab041172e9439ece2f.emblem.build/pub/tasks/x402-onchain/api/gas"
}