GET /v1/board/economics$0.03realtimetier: datacache 60sEngine A — Probability API
One-call board of the most active economics prediction markets: top markets by volume with blended live probabilities, resolution dates, and per-market slugs for drill-down. The bulk read for agents tracking the state of economics at a glance.
| Name | In | Type | Required | Notes |
|---|---|---|---|---|
limit | query | integer | no | (default: 20) |
curl "https://x402-factory.com/v1/board/economics?limit=10"
{
"data": {
"category": "economics",
"markets": [
{
"slug": "sp500-close-above-7000-2026-12",
"question": "Will the S&P 500 close above 7000 on December 31?",
"probability": 0.3812,
"volume_24h_usd": 336857.75,
"resolution_date": "2026-12-31"
},
{
"slug": "us-china-tariff-deal-2026-10",
"question": "Will the US and China announce a tariff reduction deal by October 31?",
"probability": 0.2917,
"volume_24h_usd": 189792.42,
"resolution_date": "2026-10-31"
},
{
"slug": "nber-declares-recession-2026-12",
"question": "Will the NBER declare a US recession by end of 2026?",
"probability": 0.1658,
"volume_24h_usd": 180865.01,
"resolution_date": "2026-12-31"
},
{
"slug": "us-cpi-above-3pct-2026-08",
"question": "Will July CPI year-over-year come in above 3.0%?",
"probability": 0.442,
"volume_24h_usd": 115654.15,
"resolution_date": "2026-08-12"
},
{
"slug": "unemployment-above-4-5pct-2026-09",
"question": "Will the US unemployment rate exceed 4.5% in the August report?",
"probability": 0.3121,
"volume_24h_usd": 91588.12,
"resolution_date": "2026-09-04"
},
{
"slug": "ecb-rate-cut-2026-09",
"question": "Will the ECB cut rates at its September meeting?",
"probability": 0.5547,
"volume_24h_usd": 84942.34,
"resolution_date": "2026-09-10"
},
{
"slug": "opec-production-cut-2026-08",
"question": "Will OPEC+ announce a production cut at its August 2026 meeting?",
"probability": 0.2443,
"volume_24h_usd": 72447.95,
"resolution_date": "2026-08-03"
},
{
"slug": "nfp-beat-august-2026",
"question": "Will the August 2026 jobs report beat consensus expectations?",
"probability": 0.4628,
"volume_24h_usd": 35595.57,
"resolution_date": "2026-09-04"
},
{
"slug": "gdp-q2-2026-positive",
"question": "Will the Q2 2026 US GDP advance print show positive growth?",
"probability": 0.7073,
"volume_24h_usd": 30267.85,
"resolution_date": "2026-07-30"
}
]
},
"meta": {
"endpoint": "/v1/board/economics",
"version": "1.0.0",
"generated_at": "2026-08-18T22:54:16.758Z",
"freshness": "realtime",
"sources": [
"kalshi",
"polymarket"
],
"request_id": "req_00000000",
"docs": "https://x402-factory.com/docs/probability.board.economics",
"data_mode": "live"
}
}data payload){
"type": "object",
"properties": {
"category": {
"type": "string"
},
"markets": {
"type": "array",
"items": {
"type": "object",
"properties": {
"slug": {
"type": "string"
},
"question": {
"type": "string"
},
"probability": {
"type": "number",
"minimum": 0,
"maximum": 1
},
"volume_24h_usd": {
"type": "number"
},
"resolution_date": {
"type": "string"
}
},
"required": [
"slug",
"question",
"probability",
"volume_24h_usd",
"resolution_date"
],
"additionalProperties": false
}
}
},
"required": [
"category",
"markets"
],
"additionalProperties": false
}
The platform wraps every payload in an envelope: { "data": …, "meta": { endpoint, version, generated_at, freshness, sources, request_id, docs, data_mode } }.
Unpaid requests receive 402 with payment requirements (accepts). Pay $0.03 in USDC on Base per call via an X-PAYMENT header — see docs.x402.org. With PAYMENT_MODE=disabled (local dev) the endpoint is open.
| Status | Code | Meaning |
|---|---|---|
| 400 | INVALID_PARAMS | Input failed validation; message lists the offending fields. |
| 404 | NOT_FOUND | No matching resource; suggestion may point to a sibling endpoint. |
| 410 | RESOLVED | Market/event settled; body includes a resolution summary. |
| 503 | STALE_DATA | Upstream feed down; stale data is never silently served beyond 2× cache TTL. |
| 500 | INTERNAL | Our bug. The request_id helps us find it. |