# Services from api.truthbear.co on Zero

> api.truthbear.co serves 64 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/api.truthbear.co
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/api.truthbear.co/health.json

## Services

- [Aviation Ground-Stop Chain (NAS Region)](https://www.zero.xyz/c/aviation-ground-stop-chain-nas-region-29783cca/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain of aviation weather conditions, FAA NAS ground stops, and realized gate delays for a given US airport, with confidence scored by how many legs are active.
- [TruthBear Agriculture Region Gauge (3-Leg Chain)](https://www.zero.xyz/c/truthbear-agriculture-region-gauge-3-leg-chain-65cb93cb/llms.txt): $0.25/call via x402. Returns a sequential three-leg agricultural stress chain for a grain belt region: soil drought severity (USDM) → heat stress and growing degree days (NASA POWER) → realized crop vigor VHI (NOAA STAR), with confidence scored by how many legs are lit in order.
- [TruthBear Drought Region 3-Leg Chain](https://www.zero.xyz/c/truthbear-drought-region-3-leg-chain-b5f24b77/llms.txt): $0.25/call via x402. Returns a sequential three-leg drought assessment for a US region: precipitation deficit and soil moisture leading indicators, current USDM official drought class and coverage, and streamflow/impact confirmation.
- [TruthBear Gauge – Single Signal Current Reading](https://www.zero.xyz/c/truthbear-gauge-single-signal-current-reading-d6008efc/llms.txt): $0.01/call via x402. Returns the current reading for a specific signal/entity pair, benchmarked against official thresholds (band, distance-to-action) and a 5-year same-season percentile, across 180+ signals spanning macro, weather, hazard, shipping, filings, crypto, and lifecycle domains.
- [TruthBear Maritime Chokepoint Region Gauge](https://www.zero.xyz/c/truthbear-maritime-chokepoint-region-gauge-6f81a2ab/llms.txt): $0.25/call via x402. Runs a 4-leg sequential chain assessing current passage conditions at a named maritime chokepoint, aggregating sea state thresholds, anchorage congestion, vessel wait counts, and realized daily transit counts from IMF PortWatch.
- [TruthBear Regulatory Filing Company Gauge](https://www.zero.xyz/c/truthbear-regulatory-filing-company-gauge-2bbe9a6a/llms.txt): $0.25/call via x402. Runs a 3-leg sequential chain on a public company: NT late-filing notices (distress leading indicator) → 8-K material events graded by item severity → Form 4 insider transactions (confirmation gate), returning a confidence score based on how many legs are lit.
- [TruthBear Resolve Proposer](https://www.zero.xyz/c/truthbear-resolve-proposer-043d15aa/llms.txt): $0.01/call via x402. Retrieves SEC EDGAR filing facts mapped to a structured answer/timestamp/evidence shape for automated prediction-market settlement proposal and dispute flows
- [TruthBear Wildfire Region Gauge](https://www.zero.xyz/c/truthbear-wildfire-region-gauge-8604e44a/llms.txt): $0.25/call via x402. Returns a 3-leg sequential wildfire risk chain for a US/Canada fire region: leading fire weather conditions → active NASA FIRMS satellite fire detections → EPA downwind smoke impact confirmation.
- [TruthBear Gauge Census](https://www.zero.xyz/c/truthbear-gauge-census-ff5b7780/llms.txt): $0.09/call via x402. Returns the latest reading for all entities under a given signal, ranked and annotated with band, frequency label, and percentile for cross-station comparison.
- [TruthBear SEC EDGAR Filing Resolution](https://www.zero.xyz/c/truthbear-sec-edgar-filing-resolution-04cc31f3/llms.txt): $0.09/call via x402. Checks whether a public company filed a specific SEC EDGAR form before a given cutoff date and returns structured settlement evidence for prediction markets and dispute workflows.
- [TruthBear Taiwan Region Gauge](https://www.zero.xyz/c/truthbear-taiwan-region-gauge-419d9cd6/llms.txt): $0.25/call via x402. Fetches official first-party Taiwan government readings in one call: PLA military activity (MND), central bank FX rates (CBC), TAIEX stock indices (TWSE), and earthquake/typhoon status (CWA).
- [TruthBear Gauge Subscribe](https://www.zero.xyz/c/truthbear-gauge-subscribe-0606ccaa/llms.txt): $9.9/call via x402. Mints a stateless HMAC-signed subscription token granting batch watchlist access on /gauge/watch and /gauge/watch-changes for 30 days, paid once via x402.
- [TruthBear Gauge Statistical Strata](https://www.zero.xyz/c/truthbear-gauge-statistical-strata-25aec21a/llms.txt): $0.005/call via x402. Returns historical percentile bands showing what share of the last 5 years a signal spent in each official level band for today's day-of-year, plus where the current reading falls.
- [TruthBear Climate Policy Chain — One Policy](https://www.zero.xyz/c/truthbear-climate-policy-chain-one-policy-a8b8354f/llms.txt): $0.25/call via x402. Returns a 3-leg sequential signal chain for a single climate policy entity: leading repeal/legal pressure, current lifecycle stage, and realized dependency cascade if the policy dies.
- [TruthBear Gauge/Region Environmental Chain](https://www.zero.xyz/c/truthbear-gauge-region-environmental-chain-90a3b1e5/llms.txt): $0.25/call via x402. Runs a sequential three-leg local environment chain (air quality AQI → precipitation/dry-wet → river stage/streamflow) for a single location, returning confidence based on how many legs return data.
- [TruthBear Stablecoin Census](https://www.zero.xyz/c/truthbear-stablecoin-census-9cb215e4/llms.txt): $0.09/call via x402. Returns a full, market-cap-ranked census of all tracked stablecoins as of the latest day, including lifecycle flags for terminated and depegged coins, with optional per-row cryptographic hashes for offline verification.
- [TruthBear AI Compute Neocloud Distress Gauge](https://www.zero.xyz/c/truthbear-ai-compute-neocloud-distress-gauge-e78e5383/llms.txt): $0.25/call via x402. Returns a 3-leg sequential distress chain for a named AI compute neocloud provider, from leading financing stress signals through current operating status to lifecycle outcome confirmation.
- [TruthBear DePIN Region Gauge](https://www.zero.xyz/c/truthbear-depin-region-gauge-5a1c34f0/llms.txt): $0.25/call via x402. Runs a 3-leg sequential chain analysis on a DePIN network (e.g. Helium) to detect reward-claim attrition, measure active node supply, and assess lifecycle wind-down or ghost-state risk.
- [TruthBear Grid Reliability Region Gauge](https://www.zero.xyz/c/truthbear-grid-reliability-region-gauge-7557300c/llms.txt): $0.25/call via x402. Returns a 3-leg sequential reliability signal for a US power grid balancing authority, combining day-ahead demand forecast, current demand vs. capacity, and realized reserve/interchange response.
- [TruthBear Grid-Region Gauge](https://www.zero.xyz/c/truthbear-grid-region-gauge-8d254d71/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain analysis of power-grid stress for a specified grid region, covering demand pressure (HDD/CDD), renewable availability (solar/wind), and realized energy inflation (CPI + gas price confirmation), with a confidence score based on how many legs are data-lit.
- [TruthBear Signal-Plus: Official Signal + Unverified Chatter Bundle](https://www.zero.xyz/c/truthbear-signal-plus-official-signal-unverified-chatter-bundle-3ab01d9e/llms.txt): $0.09/call via x402. Returns one verified official signal record with its offline-recomputable cryptographic proof, plus unverified public-channel chatter for a topic from the last 48 hours, delivered as two separate non-merged top-level keys.
- [TruthBear Stablecoin Depeg & Lifecycle Gauge](https://www.zero.xyz/c/truthbear-stablecoin-depeg-lifecycle-gauge-f3094327/llms.txt): $0.25/call via x402. Returns a three-leg sequential chain assessment of a single stablecoin's peg health, covering leading depeg pressure, current peg deviation and market cap, and realized redemption or lifecycle outcome.
- [Medical Device Recall Chain (TruthBear)](https://www.zero.xyz/c/medical-device-recall-chain-truthbear-ce612787/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain of recall pressure signals, current clearance status, and realized lifecycle for a specific FDA-regulated medical device product line.
- [TruthBear Severe Convection & Hail Chain](https://www.zero.xyz/c/truthbear-severe-convection-hail-chain-9e632508/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain for a named convective region: SPC Day-1 outlook with CAPE/CIN/shear, current storm reports, and realized hail/wind damage confirmations.
- [TruthBear AI Tool Lifecycle Status Chain](https://www.zero.xyz/c/truthbear-ai-tool-lifecycle-status-chain-af2c5303/llms.txt): $0.25/call via x402. Runs a 3-leg sequential chain to assess whether a monitored AI tool is live or dead, using DNS/GitHub checks and lifecycle history with decay warnings and days-alive confirmation.
- [Hurricane Basin Status Chain (NHC Official)](https://www.zero.xyz/c/hurricane-basin-status-chain-nhc-official-d9e6c542/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain of NHC-official hurricane data for one basin: genesis probability, active storm details, and official watches/warnings/landfall confirmations.
- [TruthBear Shipping Region Gauge](https://www.zero.xyz/c/truthbear-shipping-region-gauge-6038b48e/llms.txt): $0.25/call via x402. Runs a 3-leg sequential chain (sea state/wind → wave decomposition/storm vs swell → AIS transit throughput) to assess current shipping chokepoint conditions at a specified location.
- [TruthBear Gauge History Series](https://www.zero.xyz/c/truthbear-gauge-history-series-c137ad9e/llms.txt): $0.09/call via x402. Returns the full retained time-series of snapshots for a specific signal and entity, including snapshot date, observation time, data age, current value, band, and record hash.
- [TruthBear LRT Region Gauge – Liquid Restaking Token Risk Chain](https://www.zero.xyz/c/truthbear-lrt-region-gauge-liquid-restaking-token-risk-chain-527291f6/llms.txt): $0.25/call via x402. Returns a 3-leg sequential risk chain for a specific liquid restaking token (LRT), measuring NAV deviation against ETH, current protocol state, and realized lifecycle impairment/slashing risk.
- [TruthBear RWA Region Gauge](https://www.zero.xyz/c/truthbear-rwa-region-gauge-2e264bea/llms.txt): $0.25/call via x402. Runs a sequential 3-leg stress chain on a tokenised real-world asset (RWA) issuer or pool, progressing from leading credit stress signals through current pool state to realized lifecycle events like default, wind-down, or redemption freeze.
- [gauge/drug-shortage-region](https://www.zero.xyz/c/gauge-drug-shortage-region-edddd03a/llms.txt): $0.25/call via x402. Returns a 3-leg sequential chain gauging drug shortage pressure for a specified therapeutic class, from new shortage incidence through active burden to resolution rate.
- [TruthBear Carbon Region Integrity Chain](https://www.zero.xyz/c/truthbear-carbon-region-integrity-chain-5f9c4913/llms.txt): $0.25/call via x402. Returns a 3-leg carbon project integrity chain covering rating drift/downgrades, registry lifecycle status, and realized price integrity for a named carbon project or mechanism.
- [TruthBear Drug Shortage Detail – 3-Leg Chain](https://www.zero.xyz/c/truthbear-drug-shortage-detail-3-leg-chain-3aa1844c/llms.txt): $0.25/call via x402. Runs a sequential three-leg supply-chain analysis for a single drug, connecting labeler availability narrowing to FDA shortage status per NDC to confirmed affected presentations.
- [TruthBear Gauge Ruler – Official Band & Threshold Ladder](https://www.zero.xyz/c/truthbear-gauge-ruler-official-band-threshold-ladder-620a04c6/llms.txt): $0.005/call via x402. Returns the official regulatory band/threshold ladder, classification, and distance-to-action for a gauge line, or a free 422 if no official ruler exists for that line.
- [TruthBear Earthquake Region Gauge (3-Leg Chain)](https://www.zero.xyz/c/truthbear-earthquake-region-gauge-3-leg-chain-e041e8d8/llms.txt): $0.25/call via x402. Returns a 3-leg sequential seismic activity chain for a specified earthquake zone, covering leading swarm rates, current USGS micro-event rates and max magnitude, and realized felt/impact reports — descriptive only, never a forecast.
- [TruthBear DeFi Lending Protocol Risk Chain](https://www.zero.xyz/c/truthbear-defi-lending-protocol-risk-chain-70fa0969/llms.txt): $0.25/call via x402. Runs a 3-leg sequential risk chain for a single DeFi lending protocol, assessing leading utilisation/bad-debt stress, current protocol state, and realized lifecycle events (exploit, insolvency, or deprecation).
- [TruthBear Air Quality Gauge](https://www.zero.xyz/c/truthbear-air-quality-gauge-76561661/llms.txt): $0.005/call via x402. Returns current US AQI category and PM2.5 reading for a specified US location, sourced from EPA and CAMS official feeds.
- [TruthBear Gauge Historical Placement Add-on](https://www.zero.xyz/c/truthbear-gauge-historical-placement-add-on-041cdcd2/llms.txt): $0.005/call via x402. Returns the seasonal percentile placement (and supporting stats) for the current reading of a monitored signal and entity — descriptive context, not a forecast.
- [TruthBear Stablecoin Deaths](https://www.zero.xyz/c/truthbear-stablecoin-deaths-8de748f7/llms.txt): $0.09/call via x402. Returns a forensic snapshot batch of terminated stablecoins including price, supply, collateral, redemption data, termination type, confirmed death date, and days alive — with offline-verifiable record hashes.
- [TruthBear Stablecoin Census Record](https://www.zero.xyz/c/truthbear-stablecoin-census-record-126480c5/llms.txt): $0.01/call via x402. Returns a comprehensive census record for a single stablecoin by symbol, including market cap, price, depeg state, lifecycle data, and time series, each with a cryptographic record hash.
- [TruthBear Japan Region Gauge](https://www.zero.xyz/c/truthbear-japan-region-gauge-fc9400c7/llms.txt): $0.25/call via x402. Returns a unified snapshot of Japan macro-financial and geophysical readings: JMA seismic intensity, RSMC Tokyo typhoon data, Ministry of Finance JGB yields across seven tenors, plus BIS and FRED Japan rows, with dual JMA/USGS earthquake cross-agency comparison.
- [TruthBear Gauge Lifecycle](https://www.zero.xyz/c/truthbear-gauge-lifecycle-95646d7d/llms.txt): $0.005/call via x402. Returns the official lifecycle state (status band, birth/end dates, death type, lifespan) for a named entity across up to 19 tracked industry lines including stablecoins, AI tools, neoclouds, DePIN, RWA, and more.
- [TruthBear Gauge Precipitation](https://www.zero.xyz/c/truthbear-gauge-precipitation-2bfc0a13/llms.txt): $0.005/call via x402. Returns daily rainfall plus 30-day accumulated wet-dry drought context for a single US location using ERA5 reanalysis data
- [TruthBear Macro Reconcile Full](https://www.zero.xyz/c/truthbear-macro-reconcile-full-7125b3ec/llms.txt): $0.09/call via x402. Returns Kalshi market-implied macro levels side-by-side with BLS official prints, quantifying the divergence for each paired indicator with an alignment key.
- [TruthBear Gauge Calibrated](https://www.zero.xyz/c/truthbear-gauge-calibrated-f802aaa5/llms.txt): $0.005/call via x402. Returns calibrated, cross-station-comparable gauge readings for a given signal and entity, including normalized_index and pct_to_action metrics.
- [TruthBear Land Border Wait Chain – Single Crossing](https://www.zero.xyz/c/truthbear-land-border-wait-chain-single-crossing-29689566/llms.txt): $0.25/call via x402. Returns a 3-leg sequential signal chain (upstream pressure → current CBP wait times → realized freight delay) for a single monitored US land border cro

… (truncated at 16384 bytes)