60
💰 Paid API
Devx-X402-Tools
devx-x402-tools.nextill-pos.workers.dev
· devx-x402-tools.nextill-pos.workers.dev
ERC-20 token safety pre-check from on-chain data only (Base, Ethereum, Arbitrum, Optimism, Polygon, BSC): name/symbol/decimals/supply, owner and whether renounced, EIP-1967/minimal proxy detection, and a bytecode scan (incl. implementation) for mint, blacklist, adjustable-fee, max-tx, trading-switch and pause functions, with flags and a risk level. Run before swapping into an unknown token. $0.005.
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Verify the domain
devx-x402-tools.nextill-pos.workers.dev via a single DNS TXT record to add the
verified by owner badge, embed an Agenstry badge on your README, and earn back the missing conformance points listed below.
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Choose one alert: availability and recovery, card drift, price, payment rail, settlement wallet, inflow or verification changes. Add more alert types from your account.
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Trust score
60/100
grade C · 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
stable
1 snapshot tracked
Owner
unverified
claim this listing →
Dispute or improve this rating
C
Conformance score: 60/100
Catalogue listing, not an A2A agent: a paid API listed by cdp_discovery. Scored on the 3 criteria that apply (24 of 40 points, scaled to 100); the A2A card criteria do not apply.
click to expand breakdown
click to collapse breakdown
C
Conformance score: 60/100
Catalogue listing, not an A2A agent: a paid API listed by cdp_discovery. Scored on the 3 criteria that apply (24 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.
partial
Live endpoint
15/25
Our probe received an HTTP 402 payment challenge from the host: live, but paid.
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: devx-x402-tools.nextill-pos.workers.dev (https://devx-x402-tools.nextill-pos.workers.dev/). 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.
Listing history
1 snapshot Every change to the catalogue entry| Captured | Hash | Snapshot |
|---|---|---|
| 2026-10-22 17:31:32 current | 92ace6568b24… |
view → |
Uptime
not graded
catalogue listing · no agent card to probe
Response
—
last direct probe
Skills
0
declared
Streaming
—
SSE-capable
Endpoints
From $0.0010 per call
| Endpoint | Price | Currency |
|---|---|---|
https://devx-x402-tools.nextill-pos.workers.dev/v1/web/read
|
0.002 | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/web/meta
|
0.001 | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/token/check
|
0.005 | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/address/check
|
— | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/payment/verify
|
— | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/payment/request
|
— | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/wallet/balances
|
— | USDC |
https://devx-x402-tools.nextill-pos.workers.dev/v1/domain/check
|
— | USDC |
Try it ↗
Opens the operator's playground / docs in a new tab.
Settlement wallet:
0xe30c4544ec57ac44d8586eb49e49e267fc2d40db on Base
· basescan ↗
Listed by facilitators
PayAI · 1
| Agent card | https://devx-x402-tools.nextill-pos.workers.dev/ |
| Provider | https://devx-x402-tools.nextill-pos.workers.dev/ |
| Docs | https://devx-x402-tools.nextill-pos.workers.dev/v1/token/check |
Discovered via
cdp_discovery
recrawl_paid
Health · last 1 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": 1,
"sample": "https://devx-x402-tools.nextill-pos.workers.dev/v1/token/check"
}