39
💰 Paid API
A2A 0.2.5
v1.0.0
x402 micropay
Maximus Media House — AI Agent API
agent.maximusmediahouse.com
· Maximus Media House
Paid AI generation over x402 v2 / USDC on Base: image generation (flux3-klein premium, flux-2-klein-4b fast), flat per-call chat (qwen3.5), reference-conditioned image edit, and Hunyuan 480p image-to-video (PREPAID-only, buy balance at POST /v1/subscription). Pay-per-call, no accounts, no API keys.
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Verify the domain
agent.maximusmediahouse.com 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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4 things in this card we could not use
Everything else was indexed. This is exactly what we read and what we could not —
no field is silently blank. Fix the card at
https://agent.maximusmediahouse.com/.well-known/agent-card.json and the next probe clears this panel.
| Field | What we saw | What we stored |
|---|---|---|
skills[0].examples[1] |
Input should be a valid string | reinterpreted — kept verbatim as text |
skills[1].examples[1] |
Input should be a valid string | reinterpreted — kept verbatim as text |
skills[2].examples[1] |
Input should be a valid string | reinterpreted — kept verbatim as text |
skills[3].examples[1] |
Input should be a valid string | reinterpreted — kept verbatim as text |
Trust score
39/100
grade F · 9 criteria
Uptime
accumulating
1/5 direct probes · 30d
~272 ms response
Observed inflow · 30d
$0.74
13 tx · on-chain
Invocations · 7d
0
no calls observed
Card drift · 7d
changed
2 snapshots tracked
Owner
unverified
claim this listing →
Dispute or improve this rating
F
Conformance score: 39/100
F-grade: card is reachable but fails most operational signals.
click to expand breakdown
click to collapse breakdown
F
Conformance score: 39/100
F-grade: card is reachable but fails most operational signals.
partial
Valid AgentCard
7/10
AgentCard did not read cleanly: 4 fields we had to reinterpret. Scored on what we could read, not on a card that arrived as published — the card findings name every affected field and what we did with it.
How to earn +3 points
Publish a parseable A2A AgentCard
Serve a valid AgentCard JSON at /.well-known/agent-card.json. The A2A 1.0 schema is the reference; we accept the v0.x backwards-compatible variant too.
Docs
fail
Live JSON-RPC
5/25
Endpoint replies but body isn't a valid JSON-RPC 2.0 A2A response.
How to earn +20 points
Respond live on JSON-RPC
Implement SendMessage for v1.0 (or message/send for v0.x), negotiate A2A-Version, and return a schema-valid JSON-RPC response. Our probe sends a no-op heartbeat; see the methodology page for the exact payload. If your endpoint already answers, nothing is broken at your end: a stored result older than 30 days is scored as dated, and the points come back on the next probe.
Docs
partial
Protocol version
5/10
Declares pre-1.0 A2A 0.2.5 (Google preview). Upgrade to v1.x for full points.
How to earn +5 points
Declare protocolVersion
Add `"protocolVersion": "1.0"` (Major.Minor, no patch number — §3.6) to every entry in `supportedInterfaces[]`. A2A v1.0 removed the AgentCard root field.
Docs
info
JWS signature
0/10
Card is unsigned (most published agents are).
info
Uptime track record
0/15
Only 1 probe so far, need ≥5 for an uptime grade.
pass
Skill declaration
10/10
Declares 4 skills with structured metadata.
partial
Verified Identity
5/10
Provider declared: Maximus Media House (https://agent.maximusmediahouse.com). 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
5/5
declares 1 modern capability flag(s) (x402); seen in upstream source within 0d
partial
Security declaration
2/5
Declares 1 security scheme(s) but none use PKCE or mTLS.
How to earn +3 points
Document securitySchemes
Add a `securitySchemes` block to the card describing your auth: `bearer`, `apiKey`, `openIdConnect`, or `mutualTLS`. Routers refuse to call agents that declare no auth model.
Docs
Card drift detected. This agent's
agent-card.json changed within the last 7 days. We track these so downstream callers can react.
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
accumulating
1 direct probes · 30d
Response
298ms
last direct probe
Skills
4
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:
0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10 on Base
· basescan ↗
Listed by facilitators
Coinbase CDP · 3
PayAI · 1
Observed on-chain inflow
verified on-chain
Last 7d
$0.74
13 transfers · synced 2026-11-03
Last 30d
$0.74
13 transfers · synced 2026-11-03
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.
How the last 30 days were settled
x402-settled: $0.00 (0%)
· 0 transfers sent by a known x402 facilitator
Other: $0.00 plain transfers sent by the payer · $1.95 other contract calls · 73% of $2.66 classified so far.
How we classify
Cross-check: Coinbase's Bazaar reports 54 calls in 30 days to this wallet across 14 listed resources;
our ledger observed 55 transfers (0 facilitator-settled) over 29 of 30 scanned days.
Different counters; neither is assumed correct.
Daily 30-day observed-inflow history
↑ +$0.03 since 2026-10-31
2026-10-31
2026-11-04
Last 30 days
Peak 30-day total: $0.74
Data points: 5
Total tx (30d window): 13
Payment authenticity
evidence confidence
How we measure this →
concentrated_payers
3/5
Payer identities observed; volume is concentrated in a small number of payers.
Assessed window
30d
4 active of 29 observed
Inflow assessed
$0.74
14 transactions
Payer identities
available
1 evidence caveat
shared_settlement_wallet —
The settlement wallet is shared with other indexed agents, so inflow cannot be attributed to this agent alone.
Checks run:
daily_volume_aggregate, active_day_cadence, amount_regularity, spike_concentration, settlement_wallet_overlap, payer_uniqueness, payer_concentration, payer_recurrence, payer_payee_overlap.
Derived from agent_revenue_daily, agents.payment_wallet, agent_payment_transactions.
Measured 2026-11-03.
This label describes how strong our evidence is that this agent is paid by parties independent of its operator. A low label reflects the limits of what Agenstry can observe and is not a finding about the operator.
Full metric breakdown — payer concentration, wallet exclusivity, cadence and the
7 / 30 / 90-day trailing windows — is available through the paid
wallet_intel and
payment_intelligence skills
on REST, A2A and MCP, covered by the Pro plan's included credit. API docs →
| Agent card | https://agent.maximusmediahouse.com/.well-known/agent-card.json |
| Provider | https://agent.maximusmediahouse.com |
| Docs | https://agent.maximusmediahouse.com/openapi.json |
About this provider
off-card enrichment
SSL certificate
Let's Encrypt
expires 2027-01-18
Discovered via
cdp_discovery
recrawl_paid
agentic_market
Skills · 4 declared by this agent
These skills are declared by the agent. A taxonomy link appears only when we can classify a skill confidently.
flux-2-klein-4b
FLUX.2 klein 4B fp8 text-to-image — fast, cheap prototype/iteration renders (~6s warm). RE-VERIFIED 2026-10-30: the shipped recipe renders coherent, correctly-c…
No taxonomy category yet
x402paidusdcbasehalo:8002
qwen3.5
Qwen3.5 chat — private structured inference, OpenAI-compatible chat/completions. Billed FLAT PER CALL ($0.003), not per token, since 2026-10-28.
No taxonomy category yet
x402paidusdcbaselocal:8080
qwen-image-edit-2511
Qwen-Image-Edit-2511 — reference-conditioned image edit. Send an image + an instruction and it edits THAT image while preserving identity/composition. 8-step, d…
No taxonomy category yet
x402paidusdcbasehalo:8002
flux3-klein
FLUX.3 klein text-to-image — premium, house-quality renders on Halo :8002 (ComfyUI v0.41.1, flux3 clip type). Single-pass t2i, 1024px. The premium counterpart t…
No taxonomy category yet
x402paidusdcbasehalo:8002
Health · last 2 probes
Similar agents embedding-nearest
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Markdown / HTML snippets
[](https://agenstry.com/agents/agent.maximusmediahouse.com) [](https://agenstry.com/agents/agent.maximusmediahouse.com) [](https://agenstry.com/agents/agent.maximusmediahouse.com) [](https://agenstry.com/agents/agent.maximusmediahouse.com)
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
{
"protocolVersion": "0.2.5",
"name": "Maximus Media House \u2014 AI Agent API",
"description": "Paid AI generation over x402 v2 / USDC on Base: image generation (flux3-klein premium, flux-2-klein-4b fast), flat per-call chat (qwen3.5), reference-conditioned image edit, and Hunyuan 480p image-to-video (PREPAID-only, buy balance at POST /v1/subscription). Pay-per-call, no accounts, no API keys.",
"url": "https://agent.maximusmediahouse.com",
"version": "1.0.0",
"provider": {
"organization": "Maximus Media House",
"url": "https://agent.maximusmediahouse.com",
"contact": "maximusmediahouse@agentmail.to"
},
"documentationUrl": "https://agent.maximusmediahouse.com/openapi.json",
"capabilities": {
"streaming": false,
"pushNotifications": false
},
"defaultInputModes": [
"application/json"
],
"defaultOutputModes": [
"application/json"
],
"securitySchemes": {
"x402": {
"type": "http",
"scheme": "x402",
"description": "x402 v2 payment over USDC on Base (CAIP-2 eip155:8453, scheme 'exact'). The 402 body and the PAYMENT-REQUIRED header carry accepts[] with the exact price and payTo; the PAYMENT-SIGNATURE header carries the client PaymentPayload (the legacy X-402-Authorization tx-hash header is also accepted)."
}
},
"security": [
{
"x402": []
}
],
"skills": [
{
"id": "flux-2-klein-4b",
"name": "flux-2-klein-4b",
"description": "FLUX.2 klein 4B fp8 text-to-image \u2014 fast, cheap prototype/iteration renders (~6s warm). RE-VERIFIED 2026-10-30: the shipped recipe renders coherent, correctly-composed images.",
"tags": [
"x402",
"paid",
"usdc",
"base",
"halo:8002"
],
"status": "available",
"status_reason": "RE-VERIFIED 2026-10-30: the shipped recipe renders COHERENT images \u2014 a live 512x512 render at the current recipe produced a clean, correctly-composed red apple on a wooden table (the 2026-10-28 'pure noise / >=2-word phrases garble' reading predates the recipe fix and no longer applies). Gate is OPEN, price unchanged.",
"inputSchema": {
"type": "object",
"properties": {
"model": {
"type": "string",
"enum": [
"flux3-klein",
"flux-2-klein-4b"
],
"description": "flux3-klein ($0.03, premium house-quality) or flux-2-klein-4b ($0.01, fast/cheap)."
},
"prompt": {
"type": "string",
"minLength": 1,
"maxLength": 1200,
"description": "Text prompt describing the image to generate."
},
"n": {
"type": "integer",
"minimum": 1,
"maximum": 4,
"default": 1,
"description": "Number of images (server caps at 4)."
},
"size": {
"type": "string",
"enum": [
"1024x1024",
"768x768",
"512x512"
],
"default": "1024x1024"
},
"seed": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295,
"description": "Optional deterministic seed."
},
"response_format": {
"type": "string",
"enum": [
"b64_json",
"url"
],
"default": "b64_json"
},
"refs": {
"type": "array",
"items": {
"type": "string"
},
"maxItems": 4,
"description": "Optional reference image URLs (SSRF-guarded)."
}
},
"required": [
"model",
"prompt"
]
},
"outputSchema": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"object": {
"type": "string"
},
"created": {
"type": "integer"
},
"model": {
"type": "string"
},
"usage": {
"type": "object",
"properties": {
"images": {
"type": "integer"
}
}
},
"data": {
"type": "array",
"items": {
"type": "object",
"properties": {
"b64_json": {
"type": "string"
},
"url": {
"type": "string",
"format": "uri"
},
"sha256": {
"type": "string"
},
"durable_url": {
"type": "string",
"format": "uri"
},
"seed": {
"type": "integer"
},
"size_resolved": {
"type": "string"
}
}
}
}
},
"required": [
"id",
"object",
"data"
]
},
"examples": [
"a candid photo of a silver robot trophy on a podium",
{
"model": "flux3-klein",
"prompt": "a red fox in a snowy pine forest, golden hour, photoreal",
"n": 1,
"size": "1024x1024",
"response_format": "b64_json"
}
],
"error": [
{
"code": "payment_required",
"http": 402,
"type": "payment",
"billed": false,
"message": "No payment proof was presented; the body carries accepts[] and the bazaar extension."
},
{
"code": "payment_failed",
"http": 402,
"type": "payment",
"billed": false,
"message": "A payment proof was presented but rejected (price, replay, structure or facilitator)."
},
{
"code": "replayed_payment",
"http": 402,
"type": "payment",
"billed": false,
"message": "This payment was already consumed; each authorization is one-time-use."
},
{
"code": "settle_not_enabled",
"http": 402,
"type": "payment",
"billed": false,
"message": "A standard PAYMENT-SIGNATURE arrived but the facilitator settle path is not enabled on this deployment."
},
{
"code": "invalid_request_body",
"http": 422,
"type": "request",
"billed": false,
"message": "The body failed JSON-Schema validation; detail lists the field errors."
},
{
"code": "unknown_model",
"http": 410,
"type": "request",
"billed": false,
"message": "model is not in the served price card."
},
{
"code": "prompt_rejected",
"http": 400,
"type": "request",
"billed": false,
"message": "The prompt was blocked by the content gate."
},
{
"code": "route_unavailable",
"http": 503,
"type": "availability",
"billed": false,
"message": "The route is withdrawn and is refused before any payment gate."
},
{
"code": "render_declined_gpu_memory",
"http": 503,
"type": "availability",
"billed": false,
"message": "Refused before taking payment (GPU memory gate); the tx is left unconsumed."
},
{
"code": "generation_failed",
"http": 502,
"type": "server",
"billed": false,
"message": "The render died; the tx is released and the call is not billed."
},
{
"code": "not_found",
"http": 404,
"type": "request",
"billed": false,
"message": "No such route."
}
],
"idempotency": {
"header": "Idempotency-Key",
"enforced": true,
"window_s": 86400,
"scope": "one logical request = method + path + payment-auth header + body",
"on_replay": "the ORIGINAL response is returned unchanged with header `Idempotency-Replayed: true`; the call is never billed twice",
"second_guard": "independent of the header, a spent payment is consumed once, durably, keyed on the settled tx hash / the EIP-3009 authorization nonce the facilitator enforces",
"expiry": "entries older than window_s are ignored and the call runs fresh"
},
"rate_limit": {
"enforced": false,
"statement": "none enforced",
"note": "No per-wallet or per-IP rate limit is applied. GPU renders are serialized by a single-GPU lane; GET /v1/images/queue and GET /v1/videos/queue expose the live wait rather than a quota."
},
"retry": [
{
"on": "503 render_declined_gpu_memory",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "Not billed and not consumed; retry after the wait the queue endpoint reports."
},
{
"on": "502 generation_failed",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "The tx is released; a retry is safe and will not double-charge."
},
{
"on": "503 route_unavailable",
"retry": false,
"billed": false,
"note": "Product withdrawn; do not retry until the manifest marks it available."
},
{
"on": "402 payment_required",
"retry": false,
"billed": false,
"note": "Present a valid x402 payment (PAYMENT-SIGNATURE or the legacy x-402-authorization header)."
},
{
"on": "422 invalid_request_body",
"retry": false,
"billed": false,
"note": "Fix the body against the published request JSON Schema first."
}
],
"availability": {
"target": "best-effort; no contractual SLA is published",
"check": "https://agent.maximusmediahouse.com/status",
"queue_checks": [
"https://agent.maximusmediahouse.com/v1/images/queue",
"https://agent.maximusmediahouse.com/v1/videos/queue"
],
"note": "Per-route `status`/`status_reason` appear on every manifest resource."
},
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://agent.maximusmediahouse.com/v1/images/generations",
"price": {
"amount_micro_usdc": 10000,
"price_usdc": "0.01",
"price_label": "$0.01 per image",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
"scheme": "exact"
}
},
{
"id": "qwen3.5",
"name": "qwen3.5",
"description": "Qwen3.5 chat \u2014 private structured inference, OpenAI-compatible chat/completions. Billed FLAT PER CALL ($0.003), not per token, since 2026-10-28.",
"tags": [
"x402",
"paid",
"usdc",
"base",
"local:8080"
],
"status": "available",
"status_reason": null,
"inputSchema": {
"type": "object",
"properties": {
"model": {
"type": "string",
"enum": [
"qwen3.5"
]
},
"messages": {
"type": "array",
"minItems": 1,
"items": {
"type": "object",
"properties": {
"role": {
"type": "string",
"enum": [
"system",
"user",
"assistant"
]
},
"content": {
"type": "string"
}
},
"required": [
"role",
"content"
]
}
},
"temperature": {
"type": "number",
"minimum": 0,
"maximum": 2,
"default": 0.7
},
"max_tokens": {
"type": "integer",
"minimum": 1,
"default": 1024,
"description": "Output cap. Chat is billed FLAT $0.003/call, not per token."
},
"stream": {
"type": "boolean",
"default": false
}
},
"required": [
"model",
"messages"
]
},
"outputSchema": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"object": {
"type": "string"
},
"created": {
"type": "integer"
},
"model": {
"type": "string"
},
"choices": {
"type": "array",
"items": {
"type": "object",
"properties": {
"index": {
"type": "integer"
},
"message": {
"type": "object",
"properties": {
"role": {
"type": "string"
},
"content": {
"type": "string"
}
}
},
"finish_reason": {
"type": "string"
}
}
}
},
"usage": {
"type": "object",
"properties": {
"prompt_tokens": {
"type": "integer"
},
"completion_tokens": {
"type": "integer"
},
"total_tokens": {
"type": "integer"
}
}
}
},
"required": [
"id",
"object",
"choices"
]
},
"examples": [
"Summarize this document in three bullets.",
{
"model": "qwen3.5",
"messages": [
{
"role": "user",
"content": "Explain x402 in one sentence."
}
],
"temperature": 0.7,
"max_tokens": 256
}
],
"error": [
{
"code": "payment_required",
"http": 402,
"type": "payment",
"billed": false,
"message": "No payment proof was presented; the body carries accepts[] and the bazaar extension."
},
{
"code": "payment_failed",
"http": 402,
"type": "payment",
"billed": false,
"message": "A payment proof was presented but rejected (price, replay, structure or facilitator)."
},
{
"code": "replayed_payment",
"http": 402,
"type": "payment",
"billed": false,
"message": "This payment was already consumed; each authorization is one-time-use."
},
{
"code": "settle_not_enabled",
"http": 402,
"type": "payment",
"billed": false,
"message": "A standard PAYMENT-SIGNATURE arrived but the facilitator settle path is not enabled on this deployment."
},
{
"code": "invalid_request_body",
"http": 422,
"type": "request",
"billed": false,
"message": "The body failed JSON-Schema validation; detail lists the field errors."
},
{
"code": "unknown_model",
"http": 410,
"type": "request",
"billed": false,
"message": "model is not in the served price card."
},
{
"code": "prompt_rejected",
"http": 400,
"type": "request",
"billed": false,
"message": "The prompt was blocked by the content gate."
},
{
"code": "route_unavailable",
"http": 503,
"type": "availability",
"billed": false,
"message": "The route is withdrawn and is refused before any payment gate."
},
{
"code": "render_declined_gpu_memory",
"http": 503,
"type": "availability",
"billed": false,
"message": "Refused before taking payment (GPU memory gate); the tx is left unconsumed."
},
{
"code": "generation_failed",
"http": 502,
"type": "server",
"billed": false,
"message": "The render died; the tx is released and the call is not billed."
},
{
"code": "not_found",
"http": 404,
"type": "request",
"billed": false,
"message": "No such route."
}
],
"idempotency": {
"header": "Idempotency-Key",
"enforced": true,
"window_s": 86400,
"scope": "one logical request = method + path + payment-auth header + body",
"on_replay": "the ORIGINAL response is returned unchanged with header `Idempotency-Replayed: true`; the call is never billed twice",
"second_guard": "independent of the header, a spent payment is consumed once, durably, keyed on the settled tx hash / the EIP-3009 authorization nonce the facilitator enforces",
"expiry": "entries older than window_s are ignored and the call runs fresh"
},
"rate_limit": {
"enforced": false,
"statement": "none enforced",
"note": "No per-wallet or per-IP rate limit is applied. GPU renders are serialized by a single-GPU lane; GET /v1/images/queue and GET /v1/videos/queue expose the live wait rather than a quota."
},
"retry": [
{
"on": "503 render_declined_gpu_memory",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "Not billed and not consumed; retry after the wait the queue endpoint reports."
},
{
"on": "502 generation_failed",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "The tx is released; a retry is safe and will not double-charge."
},
{
"on": "503 route_unavailable",
"retry": false,
"billed": false,
"note": "Product withdrawn; do not retry until the manifest marks it available."
},
{
"on": "402 payment_required",
"retry": false,
"billed": false,
"note": "Present a valid x402 payment (PAYMENT-SIGNATURE or the legacy x-402-authorization header)."
},
{
"on": "422 invalid_request_body",
"retry": false,
"billed": false,
"note": "Fix the body against the published request JSON Schema first."
}
],
"availability": {
"target": "best-effort; no contractual SLA is published",
"check": "https://agent.maximusmediahouse.com/status",
"queue_checks": [
"https://agent.maximusmediahouse.com/v1/images/queue",
"https://agent.maximusmediahouse.com/v1/videos/queue"
],
"note": "Per-route `status`/`status_reason` appear on every manifest resource."
},
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://agent.maximusmediahouse.com/v1/chat/completions",
"price": {
"amount_micro_usdc": 3000,
"price_usdc": "0.003",
"price_label": "$0.003 per call",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
"scheme": "exact"
}
},
{
"id": "qwen-image-edit-2511",
"name": "qwen-image-edit-2511",
"description": "Qwen-Image-Edit-2511 \u2014 reference-conditioned image edit. Send an image + an instruction and it edits THAT image while preserving identity/composition. 8-step, denoise 0.90, ~60-90s GPU warm. The true differentiator vs plain t2i.",
"tags": [
"x402",
"paid",
"usdc",
"base",
"halo:8002"
],
"status": "available",
"status_reason": "RE-VERIFIED 2026-10-30: the shipped recipe is denoise=0.90 / steps=8, the setting MEASURED on 2026-10-28 to apply the instruction cleanly (at the old denoise=0.6/steps=4 the edit was a no-op). Two blockers that made the product unusable for real callers are FIXED: the 256 KiB request-body cap that rejected EVERY base64 upload (now 20 MiB) and the GPU-memory decline (the gate now unloads idle ComfyUI lanes instead of refusing). Gate is OPEN, price unchanged.",
"inputSchema": {
"type": "object",
"properties": {
"model": {
"type": "string",
"enum": [
"qwen-image-edit-2511"
]
},
"prompt": {
"type": "string",
"minLength": 1,
"maxLength": 1200,
"description": "Instruction applied to the source image (identity/composition preserved)."
},
"image": {
"type": "string",
"description": "Source image as base64 PNG/JPEG (no data: prefix)."
},
"image_url": {
"type": "string",
"format": "uri",
"description": "Public https URL of the source image (SSRF-guarded). Send exactly one of image / image_url."
},
"size": {
"type": "string",
"enum": [
"1024x1024",
"768x768",
"512x512"
],
"default": "1024x1024"
},
"seed": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295
},
"response_format": {
"type": "string",
"enum": [
"b64_json",
"url"
],
"default": "b64_json"
}
},
"required": [
"model",
"prompt"
]
},
"outputSchema": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"object": {
"type": "string"
},
"created": {
"type": "integer"
},
"model": {
"type": "string"
},
"usage": {
"type": "object",
"properties": {
"images": {
"type": "integer"
}
}
},
"data": {
"type": "array",
"items": {
"type": "object",
"properties": {
"b64_json": {
"type": "string"
},
"url": {
"type": "string",
"format": "uri"
},
"sha256": {
"type": "string"
},
"durable_url": {
"type": "string",
"format": "uri"
},
"seed": {
"type": "integer"
},
"size_resolved": {
"type": "string"
}
}
}
}
},
"required": [
"id",
"object",
"data"
]
},
"examples": [
"Remove the background and add a soft studio backdrop.",
{
"model": "qwen-image-edit-2511",
"prompt": "change the jacket to bright red, keep the face and pose",
"image": "<base64 PNG or JPEG bytes>",
"size": "1024x1024"
}
],
"error": [
{
"code": "payment_required",
"http": 402,
"type": "payment",
"billed": false,
"message": "No payment proof was presented; the body carries accepts[] and the bazaar extension."
},
{
"code": "payment_failed",
"http": 402,
"type": "payment",
"billed": false,
"message": "A payment proof was presented but rejected (price, replay, structure or facilitator)."
},
{
"code": "replayed_payment",
"http": 402,
"type": "payment",
"billed": false,
"message": "This payment was already consumed; each authorization is one-time-use."
},
{
"code": "settle_not_enabled",
"http": 402,
"type": "payment",
"billed": false,
"message": "A standard PAYMENT-SIGNATURE arrived but the facilitator settle path is not enabled on this deployment."
},
{
"code": "invalid_request_body",
"http": 422,
"type": "request",
"billed": false,
"message": "The body failed JSON-Schema validation; detail lists the field errors."
},
{
"code": "unknown_model",
"http": 410,
"type": "request",
"billed": false,
"message": "model is not in the served price card."
},
{
"code": "prompt_rejected",
"http": 400,
"type": "request",
"billed": false,
"message": "The prompt was blocked by the content gate."
},
{
"code": "route_unavailable",
"http": 503,
"type": "availability",
"billed": false,
"message": "The route is withdrawn and is refused before any payment gate."
},
{
"code": "render_declined_gpu_memory",
"http": 503,
"type": "availability",
"billed": false,
"message": "Refused before taking payment (GPU memory gate); the tx is left unconsumed."
},
{
"code": "generation_failed",
"http": 502,
"type": "server",
"billed": false,
"message": "The render died; the tx is released and the call is not billed."
},
{
"code": "not_found",
"http": 404,
"type": "request",
"billed": false,
"message": "No such route."
}
],
"idempotency": {
"header": "Idempotency-Key",
"enforced": true,
"window_s": 86400,
"scope": "one logical request = method + path + payment-auth header + body",
"on_replay": "the ORIGINAL response is returned unchanged with header `Idempotency-Replayed: true`; the call is never billed twice",
"second_guard": "independent of the header, a spent payment is consumed once, durably, keyed on the settled tx hash / the EIP-3009 authorization nonce the facilitator enforces",
"expiry": "entries older than window_s are ignored and the call runs fresh"
},
"rate_limit": {
"enforced": false,
"statement": "none enforced",
"note": "No per-wallet or per-IP rate limit is applied. GPU renders are serialized by a single-GPU lane; GET /v1/images/queue and GET /v1/videos/queue expose the live wait rather than a quota."
},
"retry": [
{
"on": "503 render_declined_gpu_memory",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "Not billed and not consumed; retry after the wait the queue endpoint reports."
},
{
"on": "502 generation_failed",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "The tx is released; a retry is safe and will not double-charge."
},
{
"on": "503 route_unavailable",
"retry": false,
"billed": false,
"note": "Product withdrawn; do not retry until the manifest marks it available."
},
{
"on": "402 payment_required",
"retry": false,
"billed": false,
"note": "Present a valid x402 payment (PAYMENT-SIGNATURE or the legacy x-402-authorization header)."
},
{
"on": "422 invalid_request_body",
"retry": false,
"billed": false,
"note": "Fix the body against the published request JSON Schema first."
}
],
"availability": {
"target": "best-effort; no contractual SLA is published",
"check": "https://agent.maximusmediahouse.com/status",
"queue_checks": [
"https://agent.maximusmediahouse.com/v1/images/queue",
"https://agent.maximusmediahouse.com/v1/videos/queue"
],
"note": "Per-route `status`/`status_reason` appear on every manifest resource."
},
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://agent.maximusmediahouse.com/v1/images/edits",
"price": {
"amount_micro_usdc": 20000,
"price_usdc": "0.02",
"price_label": "$0.02 per edit",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
"scheme": "exact"
}
},
{
"id": "flux3-klein",
"name": "flux3-klein",
"description": "FLUX.3 klein text-to-image \u2014 premium, house-quality renders on Halo :8002 (ComfyUI v0.41.1, flux3 clip type). Single-pass t2i, 1024px. The premium counterpart to the fast $0.01 klein lane.",
"tags": [
"x402",
"paid",
"usdc",
"base",
"halo:8002"
],
"status": "available",
"status_reason": "RE-VERIFIED 2026-10-30: :8002 runs ComfyUI v0.41.1 (exposes the 'flux3' clip type) and TWO independent live renders (seeds 7 and 42) at 512x512 produced distinct, coherent, correctly-composed images, visually confirmed by the owner. Gate is OPEN, price unchanged. The GPU-memory decline that previously returned 503 is fixed: the gate now unloads idle ComfyUI lanes (measured 31.6GB -> 70.9GB free) instead of refusing the render.",
"inputSchema": {
"type": "object",
"properties": {
"model": {
"type": "string",
"enum": [
"flux3-klein",
"flux-2-klein-4b"
],
"description": "flux3-klein ($0.03, premium house-quality) or flux-2-klein-4b ($0.01, fast/cheap)."
},
"prompt": {
"type": "string",
"minLength": 1,
"maxLength": 1200,
"description": "Text prompt describing the image to generate."
},
"n": {
"type": "integer",
"minimum": 1,
"maximum": 4,
"default": 1,
"description": "Number of images (server caps at 4)."
},
"size": {
"type": "string",
"enum": [
"1024x1024",
"768x768",
"512x512"
],
"default": "1024x1024"
},
"seed": {
"type": "integer",
"minimum": 0,
"maximum": 4294967295,
"description": "Optional deterministic seed."
},
"response_format": {
"type": "string",
"enum": [
"b64_json",
"url"
],
"default": "b64_json"
},
"refs": {
"type": "array",
"items": {
"type": "string"
},
"maxItems": 4,
"description": "Optional reference image URLs (SSRF-guarded)."
}
},
"required": [
"model",
"prompt"
]
},
"outputSchema": {
"type": "object",
"properties": {
"id": {
"type": "string"
},
"object": {
"type": "string"
},
"created": {
"type": "integer"
},
"model": {
"type": "string"
},
"usage": {
"type": "object",
"properties": {
"images": {
"type": "integer"
}
}
},
"data": {
"type": "array",
"items": {
"type": "object",
"properties": {
"b64_json": {
"type": "string"
},
"url": {
"type": "string",
"format": "uri"
},
"sha256": {
"type": "string"
},
"durable_url": {
"type": "string",
"format": "uri"
},
"seed": {
"type": "integer"
},
"size_resolved": {
"type": "string"
}
}
}
}
},
"required": [
"id",
"object",
"data"
]
},
"examples": [
"a candid photo of a silver robot trophy on a podium",
{
"model": "flux3-klein",
"prompt": "a red fox in a snowy pine forest, golden hour, photoreal",
"n": 1,
"size": "1024x1024",
"response_format": "b64_json"
}
],
"error": [
{
"code": "payment_required",
"http": 402,
"type": "payment",
"billed": false,
"message": "No payment proof was presented; the body carries accepts[] and the bazaar extension."
},
{
"code": "payment_failed",
"http": 402,
"type": "payment",
"billed": false,
"message": "A payment proof was presented but rejected (price, replay, structure or facilitator)."
},
{
"code": "replayed_payment",
"http": 402,
"type": "payment",
"billed": false,
"message": "This payment was already consumed; each authorization is one-time-use."
},
{
"code": "settle_not_enabled",
"http": 402,
"type": "payment",
"billed": false,
"message": "A standard PAYMENT-SIGNATURE arrived but the facilitator settle path is not enabled on this deployment."
},
{
"code": "invalid_request_body",
"http": 422,
"type": "request",
"billed": false,
"message": "The body failed JSON-Schema validation; detail lists the field errors."
},
{
"code": "unknown_model",
"http": 410,
"type": "request",
"billed": false,
"message": "model is not in the served price card."
},
{
"code": "prompt_rejected",
"http": 400,
"type": "request",
"billed": false,
"message": "The prompt was blocked by the content gate."
},
{
"code": "route_unavailable",
"http": 503,
"type": "availability",
"billed": false,
"message": "The route is withdrawn and is refused before any payment gate."
},
{
"code": "render_declined_gpu_memory",
"http": 503,
"type": "availability",
"billed": false,
"message": "Refused before taking payment (GPU memory gate); the tx is left unconsumed."
},
{
"code": "generation_failed",
"http": 502,
"type": "server",
"billed": false,
"message": "The render died; the tx is released and the call is not billed."
},
{
"code": "not_found",
"http": 404,
"type": "request",
"billed": false,
"message": "No such route."
}
],
"idempotency": {
"header": "Idempotency-Key",
"enforced": true,
"window_s": 86400,
"scope": "one logical request = method + path + payment-auth header + body",
"on_replay": "the ORIGINAL response is returned unchanged with header `Idempotency-Replayed: true`; the call is never billed twice",
"second_guard": "independent of the header, a spent payment is consumed once, durably, keyed on the settled tx hash / the EIP-3009 authorization nonce the facilitator enforces",
"expiry": "entries older than window_s are ignored and the call runs fresh"
},
"rate_limit": {
"enforced": false,
"statement": "none enforced",
"note": "No per-wallet or per-IP rate limit is applied. GPU renders are serialized by a single-GPU lane; GET /v1/images/queue and GET /v1/videos/queue expose the live wait rather than a quota."
},
"retry": [
{
"on": "503 render_declined_gpu_memory",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "Not billed and not consumed; retry after the wait the queue endpoint reports."
},
{
"on": "502 generation_failed",
"retry": true,
"backs_off": true,
"strategy": "exponential",
"idempotent": true,
"billed": false,
"note": "The tx is released; a retry is safe and will not double-charge."
},
{
"on": "503 route_unavailable",
"retry": false,
"billed": false,
"note": "Product withdrawn; do not retry until the manifest marks it available."
},
{
"on": "402 payment_required",
"retry": false,
"billed": false,
"note": "Present a valid x402 payment (PAYMENT-SIGNATURE or the legacy x-402-authorization header)."
},
{
"on": "422 invalid_request_body",
"retry": false,
"billed": false,
"note": "Fix the body against the published request JSON Schema first."
}
],
"availability": {
"target": "best-effort; no contractual SLA is published",
"check": "https://agent.maximusmediahouse.com/status",
"queue_checks": [
"https://agent.maximusmediahouse.com/v1/images/queue",
"https://agent.maximusmediahouse.com/v1/videos/queue"
],
"note": "Per-route `status`/`status_reason` appear on every manifest resource."
},
"inputModes": [
"application/json"
],
"outputModes": [
"application/json"
],
"endpoint": "https://agent.maximusmediahouse.com/v1/images/generations",
"price": {
"amount_micro_usdc": 30000,
"price_usdc": "0.03",
"price_label": "$0.03 per image",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"network": "eip155:8453",
"payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
"scheme": "exact"
}
}
],
"x402": {
"x402Version": 2,
"network": "eip155:8453",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"assetName": "USD Coin",
"payTo": "0x8cb59b1bffb39c130ab85a8177e93eae9ddbaf10",
"manifest": "https://agent.maximusmediahouse.com/.well-known/x402"
}
}