imagegen.coinopai.com
AI image generation over x402. Four paid tiers from $0.25-$0.75 USDC. Any prompt. No API key. Base mainnet.
The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
The payTo wallet does not resolve to a registered ERC-8004 agent. That is not a verdict on the service — most of the catalog is unregistered.
Live 402 challenge
Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.
{
"error": "Payment required",
"accepts": [
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x4C1a4FcE51Fea51f128a01ccE8BecB106d391155",
"scheme": "exact",
"network": "base",
"mimeType": "application/json",
"resource": "https://imagegen.coinopai.com/generate/pro",
"description": "Start a premium AI image job using FLUX Kontext Max, background removal, and a 4x upscale. The paid response returns HTTP 202 with a job_id and a free status_url to poll until the transparent high-resolution image succeeds or fails, preventing long generation from being lost to an HTTP proxy timeout.",
"maxAmountRequired": "750000",
"maxTimeoutSeconds": 1800
}
],
"extensions": {
"sample": {
"tier": "pro",
"type": "generative",
"model": "black-forest-labs/flux-kontext-max",
"notice": "Pro tier generates a FLUX Kontext Max image with background removed and 4x upscale. No free preview. Pay $0.75.",
"sample": true,
"product": "image_generation_pro",
"withheld": [
"generated image",
"background removal",
"4x upscale"
],
"output_format": "hosted transparent high-resolution PNG URL + metadata"
}
},
"x402Version": 1
}Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
Pay 0.75 USDC on Base to 0x4C1a…91155. The signed payment is good for 30 minutes.
- Paid to
- 0x4C1a…91155
- USD Coin contract
- 0x8335…02913
- Payment window
- 30 minutes
- As published
- 750000 smallest units
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x4C1a4FcE51Fea51f128a01ccE8BecB106d391155",
"amount": "750000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 1800
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"type": "http",
"method": "GET",
"queryParams": {
"aspect": "1:1",
"prompt": "a geometric eagle logo mark"
}
},
"output": {
"type": "json",
"example": {
"tier": "pro",
"job_id": "7c43fb4b-08a4-4a0a-ae49-21fe47462c98",
"status": "queued",
"status_url": "https://imagegen.coinopai.com/jobs/7c43fb4b-08a4-4a0a-ae49-21fe47462c98"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method"
],
"properties": {
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"type": "object",
"required": [
"prompt"
],
"properties": {
"aspect": {
"enum": [
"1:1",
"16:9",
"9:16",
"4:3"
],
"type": "string",
"description": "Aspect ratio (default 1:1)"
},
"prompt": {
"type": "string",
"description": "Text prompt describing the image to generate"
}
}
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object",
"properties": {
"tier": {
"type": "string"
},
"job_id": {
"type": "string"
},
"status": {
"enum": [
"queued",
"processing",
"succeeded",
"failed"
],
"type": "string"
},
"status_url": {
"type": "string"
}
}
}
}
}
}
}
},
"offer-receipt": {
"info": {
"offers": [
{
"format": "eip712",
"payload": {
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"payTo": "0x4C1a4FcE51Fea51f128a01ccE8BecB106d391155",
"amount": "750000",
"scheme": "exact",
"network": "eip155:8453",
"version": 1,
"validUntil": 1789809431,
"resourceUrl": "https://imagegen.coinopai.com/generate/pro"
},
"signature": "0xa0107a7d1151961ecf7fc21181d10919dedafa9293ed2f1b63709c3d740a6d386e43174a6b6bc438b74fd6c83431cc4b76cb90f5235dc2ba1a4b53c8090590461b",
"acceptIndex": 0
}
]
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"offers"
],
"properties": {
"offers": {
"type": "array",
"items": {
"type": "object",
"required": [
"format",
"signature"
],
"properties": {
"format": {
"type": "string"
},
"payload": {
"type": "object",
"required": [
"version",
"resourceUrl",
"scheme",
"network",
"asset",
"payTo",
"amount"
],
"properties": {
"asset": {
"type": "string"
},
"payTo": {
"type": "string"
},
"amount": {
"type": "string"
},
"scheme": {
"type": "string"
},
"network": {
"type": "string"
},
"version": {
"type": "integer"
},
"validUntil": {
"type": "integer"
},
"resourceUrl": {
"type": "string"
}
}
},
"signature": {
"type": "string"
},
"acceptIndex": {
"type": "integer"
}
}
}
}
}
}
},
"payment-identifier": {
"info": {
"required": false
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"required"
],
"properties": {
"id": {
"type": "string",
"pattern": "^[a-zA-Z0-9_-]+$",
"maxLength": 128,
"minLength": 16
},
"required": {
"type": "boolean"
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-09-19 09:12Z
- Last indexed by Roundhouse
- 2026-09-24 11:50Z
- Last enriched (probe, favicon, geo)
- 2026-09-21 16:45Z
- x402 version
- 2
- Max timeout
- 1800s
- Liveness probe
- HTTP 402
Hand this page to an agent
Copy the prompt and paste it into Claude, an MCP client or your own agent — it will vet this service and call it over the free read API. No key, no account.
GET api.roundhouseai.io/v0/endpoints
This endpoint's own trailing-30-day call count, as published by the upstream catalog and snapshotted daily. 5 snapshots so far. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service imagegen.coinopai.com and tell me whether it is worth paying: what a call costs, whether the endpoint answered when last probed, and what its payment record actually shows. curl -s 'https://api.roundhouseai.io/v0/endpoints?q=imagegen.coinopai.com' curl -s 'https://api.roundhouseai.io/v0/merchants/<the payTo wallet returned above>' Then call it: read the price from the live 402 at https://imagegen.coinopai.com/generate/pro, never from a cached figure, and pay with an x402 client. The /v0 API needs an API key (`authorization: Bearer rh_live_…`) on everything except /v0/unified* and /v0/endpoints. Mint a personal key for $0.01 at GET https://api.roundhouseai.io/v0/test/x402, or use an organization key from https://roundhouseai.io/dashboard/team. If you do not have Roundhouse tools or skills installed, read https://roundhouseai.io/skill.md first — it is the whole procedure.