{"uid":"cap_t8zQNzZX6HsSSoxrIh9q7","slug":"aeml-drought-region-gauge-a1875e42","name":"AEML Drought Region Gauge","description":"[3-LEG] Drought chain, one drought region (?entity=us-california): leading precipitation deficit, soil moisture and snowpack -> current the OFFICIAL US Drought Monitor class and area coverage -> realized realized streamflow and impact (confirmation gate). A sequential chain, not one reading - confidence = how many legs are lit, in order. Sources: USDM/NDMC, USGS. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.","url":"https://aeml-x402.zeabur.app/gauge/drought-region","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","properties":{"type":{"const":"http"},"method":{"type":"string","enum":["GET"]},"queryParams":{"type":"object","additionalProperties":false,"properties":{"entity":{"type":"string","description":"required - monitored object id, paired with signal_id; free list at GET /gauge/catalog?signal_id=<signal_id> -> signals[0].entities[]","examples":["us-california","us-southwest","us-southernplains","us-northernplains","us-cornbelt","us-southeast"],"x-accepted-values":{"shown":6,"total":10,"all":"https://api.truthbear.co/schemas/gauge-drought-region.input.json"}}},"required":["entity"]}},"required":["type","method","queryParams"]},"output":{"type":"object","properties":{"type":{"const":"json"},"example":{}},"required":["type"]}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.25","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.25/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.25","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rGgzp3Ed-zy_Tpk5CU1xf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.25","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a multi-leg drought causal chain for a US region: hydrometeorological precursors (precipitation deficit, soil moisture, snowpack), official US Drought Monitor D0–D4 severity grades by county/state, and realized downstream impacts (crop VHI, reservoir storage, water restrictions, agricultural and power exposure).","exampleAgentPrompt":"What's the current drought situation in California — give me the official US Drought Monitor severity grade plus the upstream hydro signals like soil moisture and snowpack, and any crop or reservoir impacts downstream.","exampleUseCases":[{"title":"Parametric drought insurance screening","prompt":"I need to assess whether drought conditions in Texas currently meet a D2 or worse threshold — can you pull the official US Drought Monitor grades for Texas along with soil moisture deficits and any crop VHI impacts right now?"},{"title":"Commodity trader crop stress check","prompt":"I'm trading corn futures and want to know if the drought in us-iowa is actually showing up in crop health — pull me the VHI, the USDM drought grade, and tell me if the precursor signals match the crop stress."},{"title":"Water utility operational risk review","prompt":"Our water utility serves the Phoenix metro area — can you check the current drought severity for us-arizona, including reservoir storage levels and any active water restriction orders, so we can assess operational exposure?"}],"resultDescription":"A structured JSON object with: a `legs` map containing per-signal readings (signal_id, current value, observed_at, data_age_hours, record_hash) for upstream hydrometeorological signals (precipitation deficit, soil moisture, snowpack) and downstream impact signals (crop VHI, reservoir storage, water restrictions, agricultural/power exposure); a `cross_line_narrative` describing how the legs interrelate; `provenance` with data lineage, freshness, and age metadata; a `_citation` object with Ed25519-signed, offline-verifiable fact claims; `decision_points` listing swappable entity tags; `grade` and `scope` disclaimers; and a `nature` statement clarifying the data is observational, not predictive or advisory.","failureModes":["Invalid or unrecognized entity key returns an error (422 or 4xx)","Payment not received or x402 handshake fails — endpoint returns 402 Payment Required","Data source temporarily unavailable — provenance may flag leg as stale or missing","Region outside US coverage — entity not supported","Leg marked dead_source if an upstream data feed (e.g. NOAA-STAR) has frozen or been deprecated"],"whenToPreferThis":"Choose this endpoint when you need a single-call, multi-leg drought causal chain for a US region combining official USDM severity grades with upstream hydrometeorological precursors and downstream agricultural/water impacts — especially for parametric drought insurance screening, commodity risk agents, water utility exposure checks, or climate-aware financial workflows. Prefer this over single-signal weather APIs when cross-validation between precursor and impact signals is needed. Not suitable for water management decisions, investment advice, or non-US regions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:53:10.495Z","isFirstParty":false}