Truthbear

Truthbear is an x402-native service at https://api.truthbear.co, indexed from the x402 Bazaar (Coinbase's public discovery directory). It charges callers itself in USDC on Base and is paid directly at its own wallet; Monex Protocol passes your request and payment headers through untouched. 12 endpoints listed.

Base

Offers

Offer	Endpoint	Price
Gauge Aidataset Region [3-LEG] AI dataset takedown chain, one dataset (?entity=laion-5b): leading access pressure from gating and legal notices -> current current availability -> realized lifecycle to gated, withdrawn or deleted (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: host registries and official notices. Descriptive only, never a forecast or advice. No data	`/m/bz-api-truthbear-co/gauge/aidataset-region`	0.25 USDC
Gauge Biodiversity Region [3-LEG] Biodiversity credit chain, one project (?entity=uk-bng-warwickshire): leading standard-body pipeline pressure - registry status change, methodology revision, rating downgrade -> current current registry state -> realized lifecycle outcome (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: registry and standard-body feeds. Descriptive only,	`/m/bz-api-truthbear-co/gauge/biodiversity-region`	0.25 USDC
Gauge Chokepoint Region [4-LEG] Maritime chokepoint passage chain, one chokepoint (?loc=hormuz, suez, panama, malacca and more): leading sea state against operating thresholds -> current anchorage congestion, vessels waiting -> realized daily transits from IMF PortWatch (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: IMF PortWatch, NOAA, Open-Meteo. Descriptive only,	`/m/bz-api-truthbear-co/gauge/chokepoint-region`	0.25 USDC
Gauge Defilending Region [3-LEG] DeFi lending chain, one protocol (?entity=euler-v1): leading utilisation and bad-debt stress -> current current protocol state -> realized lifecycle to exploit, insolvency or deprecation (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: onchain and protocol disclosures. Descriptive only, never a forecast or advice. No data -> 422 no_charg	`/m/bz-api-truthbear-co/gauge/defilending-region`	0.25 USDC
Gauge Drought Region [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 streamflow and impact (confirmation gate). A 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 -	`/m/bz-api-truthbear-co/gauge/drought-region`	0.25 USDC
Gauge Drug Detail Region [3-LEG] Per-drug shortage chain, one drug (?entity=carboplatin): leading supply narrowing - available labelers against total listed -> current current FDA shortage status per NDC -> realized affected presentations (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: openFDA. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not	`/m/bz-api-truthbear-co/gauge/drug-detail-region`	0.25 USDC
Gauge Grid Reliability Region [3-LEG] Grid reliability chain, one balancing authority (?entity=us-ercot): leading EIA-930 day-ahead demand forecast approaching recent peak, about one day of lead -> current current demand against capacity tightness -> realized reserve and interchange response (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: US EIA-930. Descriptive only, never	`/m/bz-api-truthbear-co/gauge/grid-reliability-region`	0.25 USDC
Gauge Hurricane Region [3-LEG] Hurricane chain, one basin (?entity=atlantic\|epacific\|cpacific): leading NHC official 2-day and 7-day genesis probability, QUOTED from NHC, never our forecast -> current active storms - category, wind, pressure, position -> realized official watches, warnings, landfall (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: NOAA NHC. Descriptiv	`/m/bz-api-truthbear-co/gauge/hurricane-region`	0.25 USDC
Gauge Meddevice Region [3-LEG] Medical device recall chain, one product line (?entity=philips-dreamstation-cpap): leading recall pressure signals -> current current clearance status -> realized lifecycle from cleared to recalled to withdrawn (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: US FDA. Descriptive only, never a forecast or advice. No data -> 422 no_charge,	`/m/bz-api-truthbear-co/gauge/meddevice-region`	0.25 USDC
Gauge Ruler Add-on, the official ruler: the band and threshold ladder published by the source agency, its classification, and distance-to-action. NOT every line has an official ruler - pure market quotes do not. When it does not, you get 422 with no_charge:true and reason:no-ruler-for-this-line and you are NOT billed. Never a bag of nulls you paid for. Every record carries an offline-recomputable record_hash.	`/m/bz-api-truthbear-co/gauge/ruler`	0.005 USDC
Gauge Severe Convection Region [3-LEG] Severe convection and hail chain, one convective region (?entity=tornado-alley-core): leading SPC Day-1 outlook with CAPE, CIN and shear - hours of lead -> current current storm reports -> realized hail and wind damage reports (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: NOAA SPC. Descriptive only, never a forecast or advice. No data	`/m/bz-api-truthbear-co/gauge/severe-convection-region`	0.25 USDC
Gauge Tariff Region [3-LEG] Tariff and customs measure chain, one trade measure (?entity=sec301-china-list1): leading review pipeline stage -> current current legal force -> realized lifecycle from imposed to expired or rescinded (confirmation gate). A chain, not one reading: confidence = how many legs are lit, in order. Sources: USTR, Federal Register, USITC. Descriptive only, never a forecast or advice. No data ->	`/m/bz-api-truthbear-co/gauge/tariff-region`	0.25 USDC

Machine-readable: openapi.json with x-payment-info offers.

Try it live

Run the full MPP flow from your browser: catch the 402, sign the payment with your wallet, and watch it settle on-chain.

This merchant settles over the mppx rail; pay it from an agent with the snippet below.

Pay with an agent

Any MPP or x402-compatible client works. With mppx, payment is automatic:

import { Mppx, evm } from 'mppx/client'
import { privateKeyToAccount } from 'viem/accounts'

const mppx = Mppx.create({
  methods: [evm({
    account: privateKeyToAccount(process.env.KEY),
    currencies: [evm.assets.base.USDC],
  })],
})

const res = await mppx.fetch('https://api.meshgateway.co/m/bz-api-truthbear-co/gauge/aidataset-region')
// 402 challenge signed and settled automatically; response includes Payment-Receipt

Or inspect the challenge yourself:

curl -i https://api.meshgateway.co/m/bz-api-truthbear-co/gauge/aidataset-region
# HTTP/1.1 402 Payment Required
# WWW-Authenticate: Payment id="…", method="evm", intent="charge", …