PHION Evidence Engine
An API for AI agents to fetch public sources, screen content for prompt injection, normalize evidence, and generate Ed25519-signed receipts for verification.
What it does
The specific capability behind this listing, and where to get it.
PHION Evidence Engine
An API for AI agents to fetch public sources, screen content for prompt injection, normalize evidence, and generate Ed25519-signed receipts for verification.
Official PHION Evidence Engine links
Pricing & plans
Observed public pricing for PHION Evidence Engine, benchmarked against comparable providers. Plans, tiers, history and scenario below.
$0.00 /
This plan sits close to the comparable median.
No monthly-comparable cohort to benchmark this plan against yet.
Why Agentery reaches that view
price_benchmarkNot monthly-comparable.
get_provider_profile · plan historyper observed 2026-10-25.
pricing recommendationPercentile unavailable for this basis.
confidenceSource page rechecked daily.
Test a different price for this plan.
Move the proposed monthly price. Agentery recalculates the provider’s market position and explains the likely percentile.
Is PHION Evidence Engine good value?
How its price compares with genuinely comparable providers.
Not enough evidence yet to call it good — or poor — value.
Too few comparable providers at the same buyer tier and billing unit to benchmark this price honestly.
Check capability before deciding
Compare capability, compatibility and operational cost against the few observed peers — Agentery keeps the price status explicit and never invents a verdict.
PHION Evidence Engine's local market
Nearest products by what they do — a different cohort from the buyer-tier benchmark above.
See the MCP response behind this page · get_provider_profile()
See the MCP response behind this pageget_provider_profile (get_agent_profile remains a callable alias)
{
"agent_id": "phion_evidence_engine",
"name": "PHION Evidence Engine",
"url": "https://phion.systems/",
"logo": "https://phion.systems/phion-agent.svg",
"niche": null,
"category": null,
"short_summary": "An API for AI agents to fetch public sources, screen content for prompt injection, normalize evidence, and generate Ed25519-signed receipts for verification.",
"task_performed": "unclear",
"inputs_accepted": [],
"outputs_produced": [
"Signed JSON Attestation",
"Autonomous Payment Firewall",
"Atomic Mandate Reservation",
"Preflight URL",
"Fetch Independent Evidence",
"AI Agent Due Diligence"
],
"integrations_available": [
"A2A",
"Signed JSON Attestation",
"Autonomous Payment Firewall",
"Atomic Mandate Reservation",
"Preflight URL"
],
"protocols_or_interfaces": [
"X402",
"A2A",
"AP2",
"ACP",
"MPP"
],
"industry_fit": [],
"autonomy_level": "unclear",
"human_approval_needed": "unclear",
"pricing_model": "unclear",
"price": {
"observed": true,
"billing": "usage",
"source_kind": "vendor",
"currency": "USD",
"lowest_monthly_usd": null,
"monthly_usd": null,
"headline": "$0 per unit (usage-based)",
"commercial": {
"rates": [
{
"line": "Fetch evidence",
"per": "per unit",
"text": "$0 per unit"
}
],
"currency": "USD",
"lines": [
{
"name": "Preflight",
"price": "free",
"kind": "free",
"billed": "monthly"
},
{
"name": "Fetch evidence",
"price": "0.004 USDC on Base",
"kind": "usage_rate",
"unit": "unit",
"billed": "usage"
},
{
"name": "Verify",
"price": "free",
"kind": "free",
"billed": "monthly"
}
]
},
"summary": "$0 per unit (usage-based). Phion Systems offers free preflight and verification endpoints, while evidence fetching costs 0.004 USDC per use on Base.",
"confidence": "medium",
"source_url": "https://phion.systems/",
"checked_at": "2026-10-25T02:44:03.330Z",
"amount": null,
"display": null,
"plans": [
{
"name": "Preflight",
"price": "free",
"period": null,
"persona": "other",
"highlights": [
"Safety and reachability check"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Fetch evidence",
"price": "0.004 USDC on Base",
"usage": true,
"period": "usage",
"persona": "free",
"highlights": [
"Paid evidence fetch"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
},
{
"name": "Verify",
"price": "free",
"period": null,
"persona": "other",
"highlights": [
"Offline-compatible receipt verification"
],
"promo_note": null,
"price_promo": null,
"price_annual": null
}
],
"source": "render+llm"
},
"trust_or_rating_signal": [],
"evidence_quality": "unclear",
"entity_type": "agent_api_endpoint",
"regulated_data_suitability": "unclear",
"evidence_urls": [
"https://phion.systems/"
],
"last_checked": "2026-10-25",
"profile_checked": "2026-10-04",
"price_checked": "2026-10-25",
"how_to_connect": {
"website": "https://phion.systems/",
"docs": null,
"mcp": null,
"a2a": null,
"api": null,
"protocols": [
"x402",
"A2A",
"AP2",
"ACP",
"MPP"
],
"install": null,
"repository": null,
"note": "Speaks x402, A2A, AP2, ACP, MPP but publishes no endpoint we could verify — check the docs/website."
},
"deployment": {
"model": "unknown",
"both_offered": false,
"hosted_endpoint": null,
"install": null,
"note": "No deployment evidence held — Agentery has no endpoint, install instruction or directory attribute for this listing.",
"evidence": null
},
"licence": {
"name": null,
"note": "No named licence found in the retained page text or source attributes. A public repository alone does not establish an open-source licence.",
"evidence": null
},
"evidence_checks": {
"price": {
"source_url": "https://phion.systems/",
"last_observed_day": "2026-10-25",
"age_days": 1,
"verified_day": null,
"note": "from the listing's current price record; no separate page-text verification is held"
},
"agent_card": {
"status": "unknown",
"note": "no Agent Card URL recorded for this listing"
},
"endpoint": {
"status": "unknown",
"note": "endpoint not yet checked"
}
},
"product_group": null,
"liveness": {
"probed": true,
"alive": true,
"endpoint_kind": "site",
"latency_ms": 479,
"uptime_7d": 1,
"checked_at": "2026-10-24T02:41:03.907Z",
"consecutive_failures": 0,
"status": "alive"
},
"price_extras": {
"free_tier": null,
"unit_cost": null
},
"reported_success": null,
"a2a_check": {
"checked_on": "2026-10-16",
"card_url": "https://phion.systems/.well-known/agent-card.json",
"card_name": "PHION Agent Trust Infrastructure",
"declared_version": "1.0",
"endpoint": "https://phion.systems",
"skills": [
"attest",
"payment-preflight",
"mandate-reserve",
"preflight",
"fetch-evidence",
"inspect-agent",
"journey-verify",
"transaction-assurance",
"transaction-recovery",
"try-service",
"spending-gateway",
"phion-execute"
],
"findings": [
{
"label": "Protocol version",
"value": "A2A 1.0 (declared)",
"ok": null
}
],
"vendor_published": null,
"note": "Automated check of the vendor's public A2A agent card and endpoint. The check reads the card and sends an empty JSON-RPC request; it delivers no message. Vendor quotes are copied word for word from the card or its documentation."
},
"feedback": "If you actually use this provider, call report_outcome with the result. Testing Agentery's connection or retrieval is not provider use and is stored unweighted."
}