{
 "generated": "2026-09-18",
 "provider": {
  "name": "Subscan API",
  "slug": "subscan-api",
  "category": "nonevm",
  "category_label": "Specialized networks",
  "url": "https://www.subscan.io/",
  "pricing_url": "https://support.subscan.io/",
  "capabilities": [
   "explorer API (Substrate/Polkadot parachains)",
   "price history",
   "staking/governance data"
  ],
  "chains_note": "Substrate networks via *.api.subscan.io; also GraphQL API and Subscan EVM contract verification.",
  "chain_families": [
   "evm",
   "substrate"
  ],
  "network_support": {
   "families": [
    "evm",
    "substrate"
   ],
   "claims": [
    {
     "target": {
      "kind": "family",
      "id": "evm"
     },
     "status": "supported",
     "evidence": {
      "text": "Substrate networks via *.api.subscan.io; also GraphQL API and Subscan EVM contract verification.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-13"
     }
    },
    {
     "target": {
      "kind": "family",
      "id": "substrate"
     },
     "status": "supported",
     "evidence": {
      "text": "Substrate networks via *.api.subscan.io; also GraphQL API and Subscan EVM contract verification.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-13"
     }
    }
   ],
   "raw": {
    "chains_note": "Substrate networks via *.api.subscan.io; also GraphQL API and Subscan EVM contract verification.",
    "avalanche_support": null
   }
  },
  "capability_classes": [
   "api.explorer",
   "api.price"
  ],
  "capability_support": [
   {
    "raw": "explorer API (Substrate/Polkadot parachains)",
    "class_ids": [
     "api.explorer"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-13"
   },
   {
    "raw": "price history",
    "class_ids": [
     "api.price"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-13"
   },
   {
    "raw": "staking/governance data",
    "class_ids": [],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-13"
   }
  ],
  "freshness": {
   "band": "recent",
   "age_days": 5,
   "last_verified": "2026-09-13",
   "as_of": "2026-09-18"
  },
  "status": "active",
  "promo_state": "none",
  "avalanche_support": null,
  "avalanche_flag": "no",
  "access_model_raw": "free-with-key (via PubFi gateway) | paid-only direct Subscan plans",
  "access_model": "free-with-key",
  "free_tier": "New free access is only via PubFi (pubfi.ai): account-bound PubFi API key, ':free' route variants, usage-based pricing and x402 payments; routes/limits set by live PubFi registry. Direct Subscan keys are paid plans only; anonymous fallback no longer a supported onboarding path.",
  "rate_limit": "Direct plan quotas depend on plan (example 10 req/s shared across networks); ratelimit-* headers returned. PubFi limits per live registry.",
  "paid_from": "Direct plans purchased at pro.subscan.io/pricing (JS app, prices not fetchable); contact api@subscan.io.",
  "pricing_unit": "Requests per day",
  "promos": null,
  "notes": "[2026-09-08] Changelog 1.0.2: free API access moved to PubFi; /api/scan/assets/transfers removed; Token API to be deprecated. | Only 2022-era limits verifiable; current prices unverified.",
  "sources": [
   "https://support.subscan.io/doc-362600.md",
   "https://support.subscan.io/doc-572211.md",
   "https://support.subscan.io/doc-360177.md",
   "https://support.subscan.io/doc-361776.md",
   "https://subscan.medium.com/api-service-price-adjustment-announcement-2c6a582ac4eb",
   "https://www.subscan.io/"
  ],
  "verified": true,
  "last_verified": "2026-09-13",
  "page": "/providers/subscan-api.html"
 },
 "changes": [
  {
   "date": "2026-09-08",
   "provider": "Subscan API",
   "type": "free-tier-cut",
   "title": "Subscan moves free API access to the PubFi gateway (x402/usage pricing); direct Subscan keys are now paid-only and the 100K req/day free plan is gone from the docs",
   "summary": "Subscan changelog 1.0.2 routes all new free access through PubFi (pubfi.ai) with an account-bound key and ':free' route variants under usage-based pricing and x402; direct Subscan API keys are sold only as paid plans at pro.subscan.io/pricing (prices not fetchable). The previously documented 100,000 req/day free plan no longer appears.",
   "sources": [
    "https://support.subscan.io/doc-361776.md",
    "https://support.subscan.io/doc-360177.md"
   ],
   "verified": true
  }
 ]
}