api.seerium.xyz
Polymarket reward plans API for agents. Discovers and ranks sponsor rewards quote strategies for a caller-provided budget.
DataLiveeip155:8453Exactvia cdp
Settlements · 30d
1
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days.
$21.91
Verified settled volume
996 settlements proven x402 by their on-chain EIP-3009 marker.
$0.010
Listed price
As published in the catalog. Always read the live 402 before paying.
2
Calls · 30d
Upstream's own call count for this endpoint, not ours.
1
Unique payers · 30d
Last called 2026-06-08 12:13Z
—
Upstream on-chain volume
Reported by the source catalog.
Paid to
0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5The wallet the 402 directs payment to. Its whole payment record — every payer, every chain — is on the merchant page.
Asset 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913
Provider
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.
Accepts
The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.
0.01USDC≈ $0.01 USD
on Base · exact scheme
Pay 0.01 USDC on Base to 0x8183…fd3D5. The signed payment is good for 5 minutes.
- Paid to
- 0x8183…fd3D5
- USD Coin contract
- 0x8335…02913
- Payment window
- 5 minutes
- As published
- 10000 smallest units
10000units
on solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · exact scheme
That figure is in the token’s smallest units. Roundhouse does not hold this contract’s decimals, so it is shown as published rather than converted.
- Paid to
- 2h752k…jLFtZ
- Token contract
- EPjFWd…TDt1v
- Payment window
- 5 minutes
The catalog’s raw entry
[
{
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"extra": {
"name": "USD Coin",
"version": "2"
},
"payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
"amount": "10000",
"scheme": "exact",
"network": "eip155:8453",
"maxTimeoutSeconds": 300
},
{
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"extra": {
"feePayer": "GVJJ7rdGiXr5xaYbRwRbjfaJL7fmwRygFi1H6aGqDveb"
},
"payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
"amount": "10000",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"maxTimeoutSeconds": 300
}
]Extensions
{
"bazaar": {
"info": {
"input": {
"body": {
"limit": 5,
"profile": "balanced",
"candidateLimit": 24,
"quoteBudgetUsd": 1000,
"currentInventoryUsd": 0
},
"type": "http",
"method": "POST",
"bodyType": "json"
},
"output": {
"type": "json",
"example": {
"data": {
"plans": [
{
"plan": {
"market": {
"spread": 0.02,
"bestAsk": 0.49,
"bestBid": 0.47,
"marketId": "0xmarket",
"midpoint": 0.48,
"question": "Will BTC close above $110k this week?",
"marketSlug": "will-btc-close-above-110k-this-week",
"tokenCount": 2,
"conditionId": "0xcondition",
"clobRewardsEnd": "2026-03-28T00:00:00.000Z",
"rewardsMinSize": 100,
"clobRewardsStart": "2026-03-25T00:00:00.000Z",
"rewardsMaxSpread": 0.03,
"currentDailyRewardsRate": 120
},
"verdict": "quote_both_sides",
"fillProb": {
"next1h": 0.55,
"next15m": 0.18
},
"inventoryRisk": {
"level": "low",
"score": 28,
"currentInventoryUsd": 0,
"maxSuggestedInventoryUsd": 700
},
"assumptionsUsed": {
"profile": "balanced",
"quoteBudgetUsd": 1000,
"inventoryCapUsd": 700,
"currentInventoryUsd": 0,
"deployableBudgetUsd": 700
},
"expectedRewardsPerDay": 28.4
},
"rank": 1,
"score": 82.7,
"rankingReasons": [
"score=82.7",
"verdict=quote_both_sides",
"expectedRewardsPerDay=28.4",
"risk=low"
]
}
],
"skipped": [],
"criteria": {
"limit": 5,
"profile": "balanced",
"maxSpread": null,
"minLiquidity": null,
"candidateLimit": 24,
"includeSkipped": false,
"quoteBudgetUsd": 1000,
"currentInventoryUsd": 0,
"minDailyRewardsRate": null
},
"returned": 1,
"totalCandidates": 12,
"evaluatedCandidates": 5
},
"meta": {
"requestId": "req_example_123",
"updatedAt": "2026-03-25T11:59:30.000Z",
"freshnessMs": 30000,
"generatedAt": "2026-03-25T12:00:00.000Z"
},
"product": {
"id": "sponsor-rewards-top-plans",
"name": "Polymarket Rewards Top Plans",
"path": "/v1/prediction/rewards/top-plans",
"price": "$0.0100",
"method": "POST",
"accepts": [
{
"payTo": "0x81832eEDe3a4ad96CB3D7cA09977636D912fd3D5",
"price": "$0.0100",
"scheme": "exact",
"network": "eip155:8453"
},
{
"payTo": "2h752kAbb9z1jpdSzqMEYg9JHv6TPJ6T2BfAJMyjLFtZ",
"price": "$0.0100",
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
}
],
"networks": [
"eip155:8453",
"solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"
]
},
"service": "seerium-x402-api"
}
}
},
"schema": {
"type": "object",
"$schema": "https://json-schema.org/draft/2020-12/schema",
"required": [
"input"
],
"properties": {
"input": {
"type": "object",
"required": [
"type",
"method",
"bodyType",
"body"
],
"properties": {
"body": {
"type": "object",
"properties": {
"limit": {
"type": "number",
"minimum": 1,
"description": "Optional maximum optimized rewards plans to return. Defaults to 5."
},
"profile": {
"enum": [
"passive",
"balanced",
"aggressive"
],
"type": "string",
"description": "Optional rewards quoting risk profile. Defaults to balanced."
},
"maxSpread": {
"type": "number",
"minimum": 0,
"description": "Optional maximum current or reward max spread."
},
"minLiquidity": {
"type": "number",
"minimum": 0,
"description": "Optional minimum CLOB liquidity."
},
"candidateLimit": {
"type": "number",
"minimum": 1,
"description": "Optional maximum reward markets to evaluate before ranking. Defaults to 24."
},
"includeSkipped": {
"type": "boolean",
"description": "Optional flag to include optimizer skip verdicts. Defaults to false."
},
"quoteBudgetUsd": {
"type": "number",
"minimum": 1,
"description": "Optional USD budget available for qualifying reward quotes. Defaults to 1000."
},
"currentInventoryUsd": {
"type": "number",
"description": "Optional signed current inventory exposure in USD. Defaults to 0."
},
"minDailyRewardsRate": {
"type": "number",
"minimum": 0,
"description": "Optional minimum active daily reward rate."
}
},
"additionalProperties": false
},
"type": {
"type": "string",
"const": "http"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
}
},
"additionalProperties": false
},
"output": {
"type": "object",
"required": [
"type"
],
"properties": {
"type": {
"type": "string"
},
"example": {
"type": "object"
}
}
}
}
}
}
}Provenance
- Seen in the source catalog
- 2026-06-08 12:13Z
- Last indexed by Roundhouse
- 2026-07-08 03:00Z
- Last enriched (probe, favicon, geo)
- 2026-09-21 18:15Z
- x402 version
- 2
- Max timeout
- 300s
- Liveness probe
- HTTP 404
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
No per-endpoint history for this service yet, so this is payments indexed to its PROVIDER's wallet over 30 days. Verified volume counts only settlements with an on-chain EIP-3009 marker.
Show the promptHide the prompt
Using Roundhouse, look up the x402 service api.seerium.xyz 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=api.seerium.xyz' 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://api.seerium.xyz/v1/prediction/rewards/top-plans, 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.