Hergert Synthora

Hergert Synthora Discovery API

Free machine-readable discovery documents

GitHub OpenAPI

Operations 2

GET /.well-known/x402.json x402 discovery manifest (free) #
GET /.well-known/agent.json A2A Agent Card (free) #

Documentation

📖
Documentation
https://hergertsynthora.com/api/

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/openapi/hergertsynthora-com-discovery-api-openapi.yml

Other Resources

🔗
LLMsTxt
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/llms/hergertsynthora-com-api-llms.txt
🔗
LLMsTxt
https://api.hergertsynthora.com/llms.txt
🔗
ToolCrosswalk
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/mcp/hergertsynthora-com-tool-crosswalk.yml
🔗
X-X402Discovery
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/well-known/hergertsynthora-com-x402.json
🔗
X-X402Discovery
https://api.hergertsynthora.com/.well-known/x402.json
🔗
SLA
https://api.hergertsynthora.com/sla/
🔗
LLMsTxt
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/llms/hergertsynthora-com-notary-llms.txt
🔗
LLMsTxt
https://notary.hergertsynthora.com/llms.txt
🔗
AgentCard
https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/a2a/hergertsynthora-com-notary-agent-card.json

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OpenAPI Specification

hergertsynthora-com-discovery-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: SYNTHORA Machine-Payable API Mesh (aggregate) Discovery API
  version: 2026.09.03
  description: 'Aggregate OpenAPI for the SYNTHORA x402 mesh: 121 pay-per-call services, each on its own host under *.hergertsynthora.com, path /service, POST JSON. Per-service OpenAPI: https:///openapi.json. Payment: x402, USDC on Base, payTo 0xEf879BFD6C4AccB8F795136de90246e1EC245e06 (Safe 1.3.0). Full machine catalog: https://catalog.hergertsynthora.com/catalog.json'
  contact:
    email: info@hergertsynthora.com
  x-terms: https://hergertsynthora.com/terms
  x-sla: https://api.hergertsynthora.com/sla
servers:
- url: https://pay.hergertsynthora.com
  description: Flagship endpoints
security:
- x402Payment: []
tags:
- name: Discovery
  description: Free machine-readable discovery documents
paths:
  /.well-known/x402.json:
    get:
      operationId: discoveryManifest
      summary: x402 discovery manifest (free)
      description: Machine-readable catalogue of every live payable resource, with price, payTo, network and input/output schema. Only resources that returned a valid 402 challenge at generation time are listed.
      tags:
      - Discovery
      responses:
        '200':
          description: Discovery manifest
          content:
            application/json:
              schema:
                type: object
  /.well-known/agent.json:
    get:
      operationId: agentCard
      summary: A2A Agent Card (free)
      description: Agent-to-Agent protocol card listing the mesh's skills.
      tags:
      - Discovery
      responses:
        '200':
          description: A2A agent card
          content:
            application/json:
              schema:
                type: object
components:
  securitySchemes:
    x402Payment:
      type: apiKey
      in: header
      name: X-PAYMENT
      description: EIP-3009 transferWithAuthorization payload, USDC on Base. Obtained by first calling the endpoint and reading the 402 challenge.
externalDocs:
  description: Full x402 discovery manifest (222 live payable resources)
  url: https://pay.hergertsynthora.com/.well-known/x402.json
x-discovery:
  ownershipProofs:
  - '0xb107b1c73411f02586b715eba39066d97d331476af401c49a480795c4b53a39f4eb884d52fe8138f02c5d6581c19d6f5bb790e848dbe5bff42074eb44815ab661c'
x-synthora-products:
- host: agentcard.hergertsynthora.com
  url: https://agentcard.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'Agent Card Validator (A2A): given an Agent Card URL or JSON, deterministically validates it against the A2A spec — required fields, skill schemas, endpoint reachability, security schemes, provider transparency — and returns a compatibility_score, schema_errors and warnings. The trust layer for the a'
  openapi: https://agentcard.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: air-quality.hergertsynthora.com
  url: https://air-quality.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.005 USDC x402 Base.'
  openapi: https://air-quality.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: ais-sanctions-signal.hergertsynthora.com
  url: https://ais-sanctions-signal.hergertsynthora.com/service
  price_usdc: 2.0
  description: 'SYNTHORA AIS x sanctions LIVE SIGNAL: vessels heard by our own AIS listener crossed against sanctions lists and PSC detentions (deterministic, cron 2h). Real signal verified 2026-09-02: HELION (MMSI 538012094, ua_war_sanctions) in Gibraltar. Tier estandar: 2 USDC per call via x402 on Base.'
  openapi: https://ais-sanctions-signal.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: amlscreen.hergertsynthora.com
  url: https://amlscreen.hergertsynthora.com/service
  price_usdc: 0.1
  description: Screen a crypto wallet address against global sanctions and illicit-activity intelligence. Cross-checks the on-chain Chainalysis sanctions oracle, TRM screening, OFAC SDN and GoPlus address flags (mixer, phishing, laundering), returning a sanctioned yes/no, matched lists and an AML risk score. Use i
  openapi: https://amlscreen.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: asset-risk.hergertsynthora.com
  url: https://asset-risk.hergertsynthora.com/service
  price_usdc: 0.03
  description: 'SYNTHORA asset-risk: geoint risk verdict by zone (gibraltar, bab-el-mandeb, bosphorus, algeciras...) or lat/lon+bbox — confidence measured by AGREEMENT between independent sources, discrepancies declared (the moat). $0.03 USDC x402 Base.'
  openapi: https://asset-risk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: bitcoin-fees.hergertsynthora.com
  url: https://bitcoin-fees.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only.'
  openapi: https://bitcoin-fees.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: bridgerisk.hergertsynthora.com
  url: https://bridgerisk.hergertsynthora.com/service
  price_usdc: 0.1
  description: Assess the security risk of a cross-chain bridge before routing funds through it. Combines live DefiLlama TVL and audit status with the full bridge-hack incident history and known-exploit analysis into a 0-100 risk score, a safe/caution/high_risk/critical signal and explicit risk factors. Use it for
  openapi: https://bridgerisk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: businessrisk.hergertsynthora.com
  url: https://businessrisk.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'Counterparty business-risk verdict: one call fuses OFAC/EU sanctions screening, on-chain wallet reputation, and token/pool contract risk into a single weighted risk_score (0-100), a kill/pivot/proceed verdict, and reason_codes naming which sub-signal drove it. Weights: sanctions 0.50, wallet 0.30, t'
  openapi: https://businessrisk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: chokepoint-risk.hergertsynthora.com
  url: https://chokepoint-risk.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'SYNTHORA chokepoint-risk: SUPERCORRELATED risk verdict per maritime chokepoint (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca, Gibraltar, Taiwan) — crosses REAL TRAFFIC (IMF PortWatch, canonical Polymarket resolution source) x NARRATIVE (GDELT global news spike+tone) x NAVIGABILITY (WaveWatch III sea'
  openapi: https://chokepoint-risk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: chokepoint-transits.hergertsynthora.com
  url: https://chokepoint-transits.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA chokepoint-transits: daily vessel transits through the 28 global maritime chokepoints (Hormuz, Suez, Panama, Bab el-Mandeb, Malacca...). Latest settled day, 7d moving average, deviation vs 30d baseline, per-vessel-type breakdown (a tanker-only drop at Hormuz is the tradeable signal) and ano'
  openapi: https://chokepoint-transits.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: code-sandbox.hergertsynthora.com
  url: https://code-sandbox.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'Python code execution as a service for agents: send code, get stdout/stderr/exit code. Isolated, hard limits. $0.01 USDC x402 Base.'
  openapi: https://code-sandbox.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: codeaudit.hergertsynthora.com
  url: https://codeaudit.hergertsynthora.com/service
  price_usdc: 0.32
  description: 'Multi-LLM Smart Contract Audit: 3 independent LLM perspectives (security, logic, gas) + static pattern scan on Solidity/Vyper source. Severity: clean/low/medium/high/critical. Ed25519-signed, publishable on-chain. POST {"source":"pragma solidity...","language":"solidity"} or {"address":"0x..","chain'
  openapi: https://codeaudit.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: coingecko-crypto-price-history.hergertsynthora.com
  url: https://coingecko-crypto-price-history.hergertsynthora.com/service
  price_usdc: 0.05
  description: Historical daily price, market-cap and volume time-series for a coin in any fiat currency from CoinGecko's keyless market_chart endpoint (JSON). Serves autonomous crypto-vs-fiat trend agents, backtesting bots, and agent-to-agent analytics needing multi-day price series without a key. Pay-per-call vi
  openapi: https://coingecko-crypto-price-history.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: commodity-macro.hergertsynthora.com
  url: https://commodity-macro.hergertsynthora.com/service
  price_usdc: 0.05
  description: Gold, silver and major macro FX reference in one call for portfolio-hedging agents. ECB + metals reference. Free source. $0.05 USDC via x402 on Base. SYNTHORA. Pay-per-call via x402 on Base. No charge on upstream failure.
  openapi: https://commodity-macro.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: compliance-eu.hergertsynthora.com
  url: https://compliance-eu.hergertsynthora.com/service
  price_usdc: 0.1
  description: 'EU Compliance Triage: AI Act risk classification + MiCA category detection. Automated regulatory analysis for fintechs, exchanges, AI projects.'
  openapi: https://compliance-eu.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: consensus-fragility.hergertsynthora.com
  url: https://consensus-fragility.hergertsynthora.com/service
  price_usdc: 0.1
  description: 'Consensus Fragility Feed: divergence signals between independent sources. Detect when consensus is fragile before trading.'
  openapi: https://consensus-fragility.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: contract-guard.hergertsynthora.com
  url: https://contract-guard.hergertsynthora.com/service
  price_usdc: 0.32
  description: 'SYNTHORA contract_guard (endpoint canonico historico, alias de contractwatch): veredicto de seguridad de contrato on-chain que SI lee el bytecode (eth_getCode) y slots de proxy (EIP-1967/zeppelinos/UUPS/beacon), owner() y privilegios ocultos: honeypot, rug-pull, hidden mint. Correlacionado entre fue'
  openapi: https://contract-guard.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: contractwatch.hergertsynthora.com
  url: https://contractwatch.hergertsynthora.com/service
  price_usdc: 0.32
  description: 'SYNTHORA contractwatch: verdict de seguridad de contrato on-chain que SI lee el bytecode (eth_getCode) y slots de proxy (EIP-1967/zeppelinos/UUPS/beacon), owner() y privilegios ocultos: honeypot, rug-pull, hidden mint. Correlacionado entre fuentes independientes y firmado Ed25519. 0.32 USDC via x402'
  openapi: https://contractwatch.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: counterparty-attestation.hergertsynthora.com
  url: https://counterparty-attestation.hergertsynthora.com/service
  price_usdc: 0.5
  description: 'SYNTHORA counterparty-attestation: full signed due-diligence attestation on a counterparty, re-verifiable by third parties. Multi-list matching (OFAC/UN/EU/OpenSanctions) with fuzzy entity resolution, per-list evidence, consulted lists with dates, sha256 + SYNTHORA signature over the full ruling. 0.'
  openapi: https://counterparty-attestation.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: counterparty-clearance.hergertsynthora.com
  url: https://counterparty-clearance.hergertsynthora.com/service
  price_usdc: 0.1
  description: 'SYNTHORA counterparty-clearance (screen): due diligence of a counterparty before paying or contracting. Multi-list matching (OFAC SDN + aliases, UN, OpenSanctions, EU consolidated) + on-chain reputation, fused by the SYNTHORA engine into a signed CLEAR/FLAGGED/BLOCKED ruling with citations to the ex'
  openapi: https://counterparty-clearance.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: cryptonews.hergertsynthora.com
  url: https://cryptonews.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'SYNTHORA cryptonews: real-time crypto news headlines with sentiment, ranked by importance. Aggregates keyless RSS feeds (CryptoPanic, CoinDesk, CoinTelegraph, Decrypt, Bitcoin Magazine) into deduplicated, freshness-and-source-weighted top headlines, each scored with a lexical bull/bear sentiment (ve'
  openapi: https://cryptonews.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: daily-intel-brief.hergertsynthora.com
  url: https://daily-intel-brief.hergertsynthora.com/service
  price_usdc: 0.1
  description: 'SYNTHORA daily-intel-brief: the daily intelligence briefing in ONE call — funding spreads cross-venue, stablecoin depeg radar, US funding stress (SOFR-EFFR), chokepoint status (PortWatch), narrative tension (GDELT), plus executive alerts. Each block declares its verified sources. What a trading agen'
  openapi: https://daily-intel-brief.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: deep-audit.hergertsynthora.com
  url: https://deep-audit.hergertsynthora.com/service
  price_usdc: 0.5
  description: 'SYNTHORA deep-audit: deep OSINT audit of a person / company / domain / username using >=3 tools from SYNTHORA self-hosted OSINT mesh (username footprint, passive domain scan, sanctions/PEP matching, Tor crawler, phone scan, own metasearch) plus web search, synthesized by the SYNTHORA intelligence en'
  openapi: https://deep-audit.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: defi-llama-tvl-ranking.hergertsynthora.com
  url: https://defi-llama-tvl-ranking.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped.'
  openapi: https://defi-llama-tvl-ranking.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: defi-yields.hergertsynthora.com
  url: https://defi-yields.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.005 USDC x402 Base.'
  openapi: https://defi-yields.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: defidata.hergertsynthora.com
  url: https://defidata.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'SYNTHORA defidata: deFi market-data feed: perp open interest, funding rate, mark price and a directional signal across top assets (BTC/ETH/SOL/…), plus optional per-asset verdict. Deterministic, Ed25519-signed. SYNTHORA. First 3 calls FREE per wallet — send header ''X-WALLET: 0x<your Base address>'' ('
  openapi: https://defidata.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: deliver.hergertsynthora.com
  url: https://deliver.hergertsynthora.com/service
  price_usdc: 0.05
  description: Audit a domain's email deliverability and sender reputation. Checks SPF, DKIM selectors, DMARC policy strength (reject/quarantine/none), BIMI, MX and PTR records, returning a spam score and prioritized fixes. Use it to assess inbox placement, email authentication and domain reputation before sending
  openapi: https://deliver.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: demand-radar.hergertsynthora.com
  url: https://demand-radar.hergertsynthora.com/service
  price_usdc: 0.25
  description: 'SYNTHORA demand-radar: live demand analytics measured on the mesh itself (Caddy access logs, weekly aggregate): most-probed x402 endpoints, 402 unpaid interest, 200 conversions, unique IPs, published prices. POST {"vista":"sin_pagar|compradas|nadie_toca|mirados","limit":<=25}.'
  openapi: https://demand-radar.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: derivbundle.hergertsynthora.com
  url: https://derivbundle.hergertsynthora.com/service
  price_usdc: 1.6
  description: 002 call (cheaper + fewer round-trips than buying each separately) 5 live datasets, partial degradation (never fails whole), Ed25519-signed First 3 calls FREE per wallet via X-WALLET header SYNTHORA.
  openapi: https://derivbundle.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: dex-pair-price.hergertsynthora.com
  url: https://dex-pair-price.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'Real-time on-chain DEX price, liquidity and 24h volume for any pool/token on any chain via GeckoTerminal. For DeFi routing agents. Free source. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure.'
  openapi: https://dex-pair-price.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: dispute-risk.hergertsynthora.com
  url: https://dispute-risk.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'Resolution/dispute risk score (0-100) for Polymarket markets: UMA status (proposed/disputed), UMA bond and reward, rules-text ambiguity (length, deadline date, declared resolution source), top-3 holder concentration as a vote-manipulation proxy, and days to resolution. Pass a market_slug or conditio'
  openapi: https://dispute-risk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: domain-risk.hergertsynthora.com
  url: https://domain-risk.hergertsynthora.com/service
  price_usdc: 0.03
  description: 'SYNTHORA domain-risk: domain risk verdict (LIMPIO/SOSPECHOSO/PELIGROSO) with score, confidence and evidence signals — age, infra, reputation crosses. Pre-interaction safety for agents. $0.03 USDC x402 Base.'
  openapi: https://domain-risk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: ecb-forex-fixing-vs-market.hergertsynthora.com
  url: https://ecb-forex-fixing-vs-market.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless.'
  openapi: https://ecb-forex-fixing-vs-market.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: ecb-macro.hergertsynthora.com
  url: https://ecb-macro.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse — HICP inflation, MRR policy rate, 10Y govt yield, each with previous value, change and direction. For macro/rates agents and prediction markets. Official free source, no key. $0.005 USDC x402 Base.'
  openapi: https://ecb-macro.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: emerging-protocols.hergertsynthora.com
  url: https://emerging-protocols.hergertsynthora.com/service
  price_usdc: 0.03
  description: 'SYNTHORA emerging-protocols: early detection of young DeFi protocols with accelerating TVL (on-chain momentum) before they get big — for MEV searchers and alpha bots. Ranked by momentum+acceleration+youth, mega-protocol noise filtered. Source: DeFiLlama. $0.03 USDC x402 Base.'
  openapi: https://emerging-protocols.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: endpoint-trust.hergertsynthora.com
  url: https://endpoint-trust.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA endpoint-trust: trust verdict for any x402 endpoint before paying it — 402 correctness, valid accepts/payTo, bazaar extensions, agent-card published, latency. Observed behavior, not declarations. The pre-payment check for buying agents. $0.005 USDC x402 Base.'
  openapi: https://endpoint-trust.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: exchange-rates-verified.hergertsynthora.com
  url: https://exchange-rates-verified.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate brea'
  openapi: https://exchange-rates-verified.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: fear-greed.hergertsynthora.com
  url: https://fear-greed.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'SYNTHORA fear-greed: indice de miedo/codicia con la VARIACION frente a ayer y el cruce de banda, no solo el valor. Fuente: alternative.me, fechada y con hash.'
  openapi: https://fear-greed.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: fed-watch.hergertsynthora.com
  url: https://fed-watch.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress signal before it hits the news). Cross-check of 5 independent official NY Fed series. The input for Fed/CPI prediction markets. Free officia'
  openapi: https://fed-watch.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: funding-rates.hergertsynthora.com
  url: https://funding-rates.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'Real-time perpetual funding rates + mark price for any Binance futures symbol. Essential for delta-neutral and basis-trading agents. Free source, deterministic, instant JSON. $0.01 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream '
  openapi: https://funding-rates.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: funding-spread.hergertsynthora.com
  url: https://funding-spread.hergertsynthora.com/service
  price_usdc: 0.03
  description: 'SYNTHORA funding-spread: perp funding rates CROSSED across Binance, Bybit and OKX for top pairs — the max spread between venues and the theoretical carry direction (long where you receive, short where you pay). Funding arb signal, not a wrapper. 3 free public sources crossed. $0.03 USDC x402 Base.'
  openapi: https://funding-spread.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: gas-oracle-multi.hergertsynthora.com
  url: https://gas-oracle-multi.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report — a single RPC can lie or lag; dual-verified is what you time transactions with. Free public RPCs, no key. $0.005 USDC x402 Base.'
  openapi: https://gas-oracle-multi.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: gdelt-tension.hergertsynthora.com
  url: https://gdelt-tension.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The early signal for Polymarket geopolitical markets (high variance, high spread). Source: GDELT DOC 2.0 (100+ languages, fr'
  openapi: https://gdelt-tension.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: github-repo-activity.hergertsynthora.com
  url: https://github-repo-activity.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10-min in-process cache, stale-on-rate-limit or ok:false. Source: api.github.com, keyless.'
  openapi: https://github-repo-activity.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: headers-audit.hergertsynthora.com
  url: https://headers-audit.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA headers-audit: HTTP security headers + TLS audit for any URL — missing headers, score 0-100, cookie flags. $0.005 USDC x402 Base.'
  openapi: https://headers-audit.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: historical-weather.hergertsynthora.com
  url: https://historical-weather.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wind. For climate-market backtesting and claim verification. Source: open-meteo archive, free, no key. $0.005 USDC x402 Base.'
  openapi: https://historical-weather.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: hurricane-odds.hergertsynthora.com
  url: https://hurricane-odds.hergertsynthora.com/service
  price_usdc: 0.01
  description: 'SYNTHORA hurricane-odds: active tropical cyclones CROSS-VERIFIED — official NHC bulletin (category, wind, pressure, movement) crossed with an independent model (ECMWF via open-meteo) at the storm position; discrepancies >15 kt flagged. The input for Polymarket weather/climate markets. Sources: NHC +'
  openapi: https://hurricane-odds.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: identity-risk.hergertsynthora.com
  url: https://identity-risk.hergertsynthora.com/service
  price_usdc: 0.32
  description: 'SYNTHORA identity-risk: brand-impersonation verdict (AUTHENTIC / DOUBTFUL / ACTIVE_IMPERSONATION) over decentralised social identities, correlated across independent sources.'
  openapi: https://identity-risk.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: inference.hergertsynthora.com
  url: https://inference.hergertsynthora.com/service
  price_usdc: 0.02
  description: 'SYNTHORA Inference Router: pay-per-prompt LLM inference, no API keys to manage. Sovereign constitution-tuned SYNTHORA-Qwen model, local, Ed25519-signed output. POST {"prompt":"...","system":"...","max_tokens":200}.'
  openapi: https://inference.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: insider-radar.hergertsynthora.com
  url: https://insider-radar.hergertsynthora.com/service
  price_usdc: 0.03
  description: 'Insider-style trade detection on Polymarket: scans the latest large fills (min_usd, default 10000 USD) over lookback_hours (default 24) and flags wallets that are fresh (few lifetime trades), sized big vs the market 24h volume, or entered at extreme odds right before the market moved. Each alert car'
  openapi: https://insider-radar.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'
- host: lifi-bridge-route-quote.hergertsynthora.com
  url: https://lifi-bridge-route-quote.hergertsynthora.com/service
  price_usdc: 0.05
  description: 'Returns the best cross-chain bridge/swap route for a given source chain, destination chain, tokens and amount from LI.FI, including chosen bridge tool, estimated output, fees and gas. Powers autonomous cross-chain agents and agent-to-agent treasury movers that pick the cheapest, fastest bridge path '
  openapi: https://lifi-bridge-route-quote.hergertsynthora.com/openapi.json
  payment:
    protocol: x402
    network: eip155:8453
    asset: USDC
    payTo: '0xEf879BFD6C4AccB8F795136de90246e1EC245e06'


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# Full source: https://raw.githubusercontent.com/api-evangelist/hergertsynthora-com/refs/heads/main/openapi/hergertsynthora-com-discovery-api-openapi.yml