x402engine · X402

x402engine Gateway

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Certification stale Health 52 Workflow 68 Stale X402 X402 402 Payment challenge Access

At a glance

Endpoint POST https://x402-gateway-production.up.railway.app/api/llm/grok-code
Endpoint health Stale · 52/100
Runtime access Payment challenge
Service health Stale · 45/100
Current reference price $0.04
Workflow health Stale · 68/100
Open findings 1
Open incidents 4
Probe profiles 1
Price drift Observed price aligns with declared pricing
Last unpaid check
Last unpaid HTTP HTTP 402
Last paid check Never
Service docs Open docs

Runtime access

Current classification Payment challenge

The runtime is live, but the public probe was intentionally gated behind a payment challenge.

Last public probe context HTTP 402

This reflects the registry's latest unauthenticated runtime probe.

Preview contract

Preview-before-commit metadata describes what this route declares before an agent pays or starts work.

Preview support Not declared
Estimated spend Not declared
Latency hint Not declared
Freshness hint Not declared
Capabilities preview Not declared
Approval hint Not declared

Receipt quality

Evidence-quality metadata describes how verifiable and composable this route's post-run outputs are for downstream agents and orchestration.

Structured receipt Not declared
Evidence refs Not declared
Artifact handles Not declared
Slice reads Not declared
Citation checks Not declared
Delivery verification Not declared

Also seen in

Single-source service identity in the current catalog.

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/crypto/search

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/ens/resolve

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

POST https://x402-gateway-production.up.railway.app/api/embeddings

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/ens/reverse

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/crypto/price

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/crypto/trending

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/ipfs/get

x402engine · x402

x402engine Gateway
Stale

Published x402 gateway with a machine-readable catalog of paid endpoints for AI, crypto, and utility workloads.

Payment challenge x402engine.app 1 registry views

GET https://x402-gateway-production.up.railway.app/api/crypto/history

Health scores

Endpoint health Stale · 52/100

Endpoint still has usable evidence, but freshness or workflow proof is aging out.

Service health Stale · 45/100

Service health is aging because one or more endpoints have stale monitoring evidence.

Availability score 58/100
Freshness score 38/100
Payment score 90/100
Workflow contribution 68/100
Finding penalty 3
Incident count 2

Health over time

Hourly score snapshots are appended whenever the derived health layer recomputes.

80 · strong 50 · watch 20 · weak 2026-03-19T16:00:00.000Z: 57/100 · Documented 2026-03-19T17:00:00.000Z: 85/100 · Warning 2026-03-19T18:00:00.000Z: 85/100 · Warning 2026-03-19T19:00:00.000Z: 54/100 · Stale 2026-03-19T20:00:00.000Z: 85/100 · Warning 2026-03-19T21:00:00.000Z: 85/100 · Warning 2026-03-20T03:00:00.000Z: 85/100 · Warning 2026-03-20T04:00:00.000Z: 85/100 · Warning 2026-03-20T05:00:00.000Z: 52/100 · Stale Mar 19 · 4 PMMar 19 · 8 PMMar 20 · 5 AM
Latest52/100Stale
High85best recorded bucket
Low52worst recorded bucket
Buckets9hourly snapshots

Price history

Observed reference price 0.04 USD is holding steady across 7 recorded bucket(s).

$0.041 $0.04 $0.039 Documented reference $0.04 2026-03-20T03:00:00.000Z: $0.04 · Access · 2 sample(s) 2026-03-20T04:00:00.000Z: $0.04 · Access · 4 sample(s) Mar 20 · 3 AMMar 20 · 4 AM
Current reference$0.04observed + docs
Window change$00%
Range$0.04 to $0.047 hourly bucket(s)
Fingerprints221 observed sample(s)

Endpoint analytics

Build 2 provider telemetry for this specific route. This is the endpoint-level slice for conversion, revenue, latency, and recent paid/challenge activity.

Challenges0last 168h
Paid0no conversion yet
Revenue$00 unique agent(s)
Failures0no failure rate yet
Avg latencyNo latency yetno event timestamp yet
Matched byUnmatchedendpoint analytics attribution

No endpoint hourly telemetry has been rolled up yet.

Top intents

No endpoint intent telemetry yet.

Recent endpoint telemetry

No recent endpoint events have been recorded yet.

Workflow health

Workflow evidence is aging: 1 monitored step(s) have stale probe data.

Status Stale
Score 68/100
Workflow roles Execution
Coverage 0/1 monitored step(s) verified
Docs-only steps 0
Missing edges 0
Open findings in flow 1
Fresh monitored steps 0/1
Last evaluated

Observed payment shape

The latest normalized challenge data is stored here, including the new Solana-aware fields.

Method x402
Intent access
Amount 40000
Currency USD
Recipient 0x7dd5Be069f2d2eAd75eC7C3423B116fF043c2629
Chain ID n/a
Asset address 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Network eip155:8453
Mint n/a
Decimals 6
Reference https://x402-gateway-production.up.railway.app/api/llm/grok-code
Fee payer n/a

Documented session lifecycle

No documented session lifecycle has been synced for this endpoint yet.

Workflow graph

Execution

Latest challenge snapshots

X402 Access
Challenge IDhttps://x402.../grok-code:0
Realmn/a
Networkeip155:8453
Mintn/a
Referencehttps://x402...lm/grok-code
Decimals6
X402 Access
Challenge IDhttps://x402.../grok-code:1
Realmn/a
Networkeip155:4326
Mintn/a
Referencehttps://x402...lm/grok-code
Decimalsn/a
X402 Access
Challenge IDhttps://x402.../grok-code:2
Realmn/a
Networksolana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Mintn/a
Referencehttps://x402...lm/grok-code
Decimals6

Probe profiles

Default probe profile Default

No extra notes recorded.

Expected status402
Expected content typeapplication/json

Active incidents

Probe evidence stale Warning

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Warning

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Recovery windows

Probe evidence stale Active

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
ResolvedNever
Regressions0
Recovery windown/a
Workflow evidence stale Active

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
ResolvedNever
Regressions0
Recovery windown/a
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window1m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window1m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m
Probe evidence stale Recovered

The endpoint's latest verification evidence has fallen outside the freshness window.

Opened
Resolved
Regressions0
Recovery window0m
Workflow evidence stale Recovered

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Opened
Resolved
Regressions0
Recovery window0m

Alert timeline

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow docs-only Resolved

The workflow is documented, but no monitored runtime step has been verified yet.

Workflow docs-only Opened

The workflow is documented, but no monitored runtime step has been verified yet.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Resolved

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Resolved

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Probe evidence stale Opened

The endpoint's latest verification evidence has fallen outside the freshness window.

Workflow evidence stale Opened

The connected provider workflow is tracked, but some monitored workflow evidence is stale.

Workflow docs-only Resolved

The workflow is documented, but no monitored runtime step has been verified yet.

Workflow docs-only Resolved

The workflow is documented, but no monitored runtime step has been verified yet.

Service incidents

Service freshness gap Warning

68 endpoint(s) in this service have stale monitoring evidence.

Service alert volume elevated Warning

Multiple endpoint-level incidents are currently open for this service.

Open findings

Endpoint exposes multiple payment options. Info

Challenge · 21 occurrence(s)