[TIME SERIES EXPORT] Full retained series for one signal and entity (?days=, ?format=json
[TIME SERIES EXPORT] Full retained series for one signal and entity (?days=, ?format=json or csv): every snapshot up to days (default 400, cap 1000) with snapshot_date, observed_at, data_age_hours, current, band and record_hash. For research, actuarial and base-rate work. Free 7-snapshot shape preview at /gauge/history-preview. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed. $0.09 per call.
90000 (raw units)
price
16
calls / 30d
2
unique payers
2026-09-07
updated
Provider
api.truthbear.co · discovered, not yet claimed by its owner
Payment (x402 accepts[])
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0x2d16a243ba9facc6ac85519d5efad2149dc4c6c3",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "90000",
"maxTimeoutSeconds": 300
},
{
"scheme": "exact",
"network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
"payTo": "8qEn3Y3GPXdQ28LHshPa4UYeD8V38Lq9b4jCRirQAY3n",
"asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
"amount": "90000",
"maxTimeoutSeconds": 300
}
]Output schema
{
"bazaar": {
"discoverable": true,
"info": {
"input": {
"example": {
"entity": "07010000",
"signal_id": "hydrology.river-level"
},
"exampleRequest": "/gauge/history-series?signal_id=hydrology.river-level&entity=07010000",
"method": "GET",
"queryParams": {
"days": "optional - lookback window in days; default 400, minimum 1, capped at 1000. Windows are UTC days (snapshot_date), not lo",
"entity": "required - object id within that line, e.g. 07010000 (see /gauge/coverage)",
"format": "optional - json (default) or csv",
"signal_id": "required - line id, e.g. hydrology.river-level (see /gauge/coverage)"
},
"type": "http"
},
"output": {
"type": "json"
}
},
"outputSchemaRef": "/manifest",
"priceUsd": "$0.09",
"priceUsdNumber": 0.09,
"routeTemplate": "/gauge/history-series",
"schema": {
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"properties": {
"method": {
"enum": [
"GET"
],
"type": "string"
},
"queryParams": {
"additionalProperties": false,
"properties": {
"days": {
"description": "optional - lookback window in days; default 400, minimum 1, capped at 1000. Windows are UTC days (snapshot_date), not local days",
"type": "string"
},
"entity": {
"description": "required - object id within that line, e.g. 07010000 (see /gauge/coverage)",
"examples": [
"07010000"
],
"type": "string"
},
"format": {
"description": "optional - json (default) or csv",
"type": "string"
},
"signal_id": {
"description": "required - line id, e.g. hydrology.river-level (see /gauge/coverage)",
"examples": [
"hydrology.river-level"
],
"type": "string"
}
},
"required": [
"signal_id",
"entity"
],
"type": "object"
},
"type": {
"const": "http"
}
},
"required": [
"type",
"method",
"queryParams"
],
"type": "object"
},
"output": {
"properties": {
"type": {
"const": "json"
}
},
"required": [
"type"
],
"type": "object"
}
}
}
}
}Use it
curl
curl "https://api.truthbear.co/gauge/history-series" # -> 402 Payment Required, accepts[] lists how to pay # retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid
JavaScript
const res = await fetch("https://api.truthbear.co/gauge/history-series");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}Python
import httpx
res = httpx.get("https://api.truthbear.co/gauge/history-series")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerMachine-readable
Everything on this page is also available as clean JSON at /resources/4409.json, and this resource appears in /discovery/resources and /discovery/search.