{
 "generated": "2026-09-18",
 "provider": {
  "name": "Etherscan API v2 (multichain)",
  "slug": "etherscan-api-v2-multichain",
  "category": "data_apis",
  "category_label": "Data & indexing",
  "url": "https://etherscan.io/apis",
  "pricing_url": "https://etherscan.io/api/pricing",
  "capabilities": [
   "contract source/verification/ABI",
   "token/NFT/tx history APIs",
   "raw block/log fetch (getLogs)",
   "price (ETH price only)"
  ],
  "chains_note": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
  "chain_families": [
   "evm"
  ],
  "network_support": {
   "families": [
    "evm"
   ],
   "claims": [
    {
     "target": {
      "kind": "family",
      "id": "evm"
     },
     "status": "supported",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "network",
      "id": "base-mainnet",
      "name": "Base",
      "family": "evm",
      "chain_id": 8453
     },
     "status": "supported",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "network",
      "id": "avalanche-c-chain",
      "name": "Avalanche C-Chain",
      "family": "evm",
      "chain_id": 43114
     },
     "status": "supported",
     "evidence": {
      "text": "C-Chain: yes but only on paid plans (Lite+ for community endpoints, Standard+ for PRO). Avalanche L1s: no. Robinhood Chain (4663): YES - Free Tier Available (new, Sep 2026).",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "network",
      "id": "avalanche-fuji",
      "name": "Avalanche Fuji",
      "family": "evm",
      "chain_id": 43113
     },
     "status": "supported",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "network",
      "id": "robinhood-chain",
      "name": "Robinhood Chain",
      "family": "evm",
      "chain_id": 4663
     },
     "status": "supported",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "network",
      "id": "arc-mainnet",
      "name": "Arc Mainnet",
      "family": "evm",
      "chain_id": 5042
     },
     "status": "supported",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "ecosystem",
      "id": "avalanche-l1",
      "name": "Avalanche L1s",
      "family": "evm.avalanche-l1"
     },
     "status": "not_supported",
     "evidence": {
      "text": "C-Chain: yes but only on paid plans (Lite+ for community endpoints, Standard+ for PRO). Avalanche L1s: no. Robinhood Chain (4663): YES - Free Tier Available (new, Sep 2026).",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    },
    {
     "target": {
      "kind": "ecosystem",
      "id": "avalanche",
      "name": "Avalanche ecosystem",
      "family": "evm"
     },
     "status": "partial",
     "evidence": {
      "text": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
      "source_refs": [],
      "verified": true,
      "last_verified": "2026-09-17"
     }
    }
   ],
   "raw": {
    "chains_note": "docs.etherscan.io/supported-chains now lists Robinhood Chain Mainnet (4663) with 'Free Tier Available' (added alongside the Sep 15, 2026 launch of the RobinScan explorer at robin.etherscan.io). Avalanche C-Chain (43114) and Fuji (43113) remain 'Paid Tier Only'. Gnosis (100) shows 'Paid Tier Only' (community endpoints need Lite+ since Sep 1, 2026; Pro endpoints Standard+). Base Mainnet (8453) also shows 'Paid Tier Only'. Source code and ABI endpoints are available on all chains on every plan incl. Free. Fetch parsed ~59 rows (39 free / 20 paid) vs 68 (37/31) last run - counts vary by parse, treat as approximate. Avalanche L1s not listed. Arc Mainnet (5042) added 2026-09-16.",
    "avalanche_support": "C-Chain: yes but only on paid plans (Lite+ for community endpoints, Standard+ for PRO). Avalanche L1s: no. Robinhood Chain (4663): YES - Free Tier Available (new, Sep 2026)."
   }
  },
  "capability_classes": [
   "api.contract",
   "api.nft",
   "index.raw",
   "api.price"
  ],
  "capability_support": [
   {
    "raw": "contract source/verification/ABI",
    "class_ids": [
     "api.contract"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-17"
   },
   {
    "raw": "token/NFT/tx history APIs",
    "class_ids": [
     "api.nft"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-17"
   },
   {
    "raw": "raw block/log fetch (getLogs)",
    "class_ids": [
     "index.raw"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-17"
   },
   {
    "raw": "price (ETH price only)",
    "class_ids": [
     "api.price"
    ],
    "status": "reported",
    "scope": "provider",
    "source_refs": [],
    "verified": true,
    "last_verified": "2026-09-17"
   }
  ],
  "freshness": {
   "band": "fresh",
   "age_days": 1,
   "last_verified": "2026-09-17",
   "as_of": "2026-09-18"
  },
  "status": "active",
  "promo_state": "active",
  "avalanche_support": "C-Chain: yes but only on paid plans (Lite+ for community endpoints, Standard+ for PRO). Avalanche L1s: no. Robinhood Chain (4663): YES - Free Tier Available (new, Sep 2026).",
  "avalanche_flag": "partial",
  "access_model_raw": "free-with-key",
  "access_model": "free-with-key",
  "free_tier": "Free: 3 calls/sec, 100,000 calls/day, selected chains (~90% coverage), attribution required, no PRO endpoints.",
  "rate_limit": "Free 3/s; Lite 5/s (100K/day); Standard 10/s (200K/day); Advanced 20/s (500K/day); Professional 30/s (1M/day); Pro Plus 30/s (1.5M/day); Metadata Enterprise/Dedicated unmetered (contact sales).",
  "paid_from": "Lite $49/mo (5/s, 100K/day, still selected chains, community endpoints); Standard $199/mo (10/s, 200K/day, all chains, PRO endpoints)",
  "pricing_unit": "monthly plan by calls/sec + calls/day",
  "promos": "Robinhood Chain (4663) and Arc (5042) community endpoints free on every plan until Oct 15, 2026 (Lite+ required from Oct 16; source/ABI endpoints stay free on all tiers). 10% off quarterly billing; 15% off yearly billing.",
  "notes": "[2026-09-16] Etherscan changelog (Sept 16): Robinhood Chain Mainnet chainid=4663 and Arc Mainnet chainid=5042 added to API v2; community endpoints complimentary through Oct 15, 2026, Lite plan or above from Oct 16; source-code and ABI endpoints remain free on all plans. | [2026-09-16] NEW: Robinhood Chain Mainnet (4663) added to the supported-chains list as 'Free Tier Available'; Etherscan launched RobinScan (robin.etherscan.io) on Sep 15, 2026 with API access under the same v2 key. Pricing page unchanged: Free $0 3/s 100K/day selected chains (90%) community endpoints, attribution required; Lite $49 5/s 100K/day all supported chains, no PRO; Standard $199 10/s 200K/day PRO endpoints; Advanced $299 20/s 500K/day; Professional $399 30/s 1M/day; Pro Plus $899 30/s 1.5M/day + Address Metadata (one app license); Metadata Enterprise (adds Metadata CSV export) and Dedicated (unmetered, SLA) contact sales. 10% off quarterly, 15% off yearly (e.g. Lite $44.10 / $41.65; Standard $179.10 / $169.15). Supported-chains tip: source code and ABI endpoints available on all chains for every plan. Base (8453) and Gnosis (100) both show Paid Tier Only. July 2026 tightening (1,000 max records/request, internal-tx-by-block-range removed from free) still not restated on the pricing page. API v1 fully deprecated since 2025-08-15. | July 2026 changes (per Blockscout blog): max records per request cut from 10,000 to 1,000; Internal Transactions by Block Range removed from free plan; free tier restricted to select chains. Advanced $299, Professional $399, Pro Plus $899 (adds Address Metadata endpoint). [2026-09-07: API v1 was fully deprecated back on 2025-08-15 (already reflected by v2-only status); no new v1/v2 deprecation change this cycle. Prior note of a July 2026 tightening (max records/request cut to 1,000, Internal Transactions by Block Range removed from free plan) was not re-confirmed on the official ] [2026-09-11] Pricing page unchanged: Free $0 3/s 100K/day selected chains (90%) attribution required; Lite $49 5/s 100K/day; Standard $199 10/s 200K/day PRO endpoints; Advanced $299 20/s 500K/day; Professional $399 30/s 1M/day; Pro Plus $899 30/s 1.5M/day (Address Metadata, one app license); Metadata Enterprise/Dedicated contact sales; 10% off quarterly, 15% off yearly. Pricing page table now shows Lite as 'All supported' chains (record said Lite still selected chains) - treat Lite chain scope as unclear. Supported-chains doc grew to 68 chains (record: 56-60+), 31 of them paid-only; Gnosis community endpoints moved behind Lite+ on Sep 1, 2026. Max-records-per-request figure not shown on pricing page.",
  "sources": [
   "https://etherscan.io/api/pricing",
   "https://etherscan.io/apis",
   "https://docs.etherscan.io/rate-limits",
   "https://docs.etherscan.io/supported-chains",
   "https://www.blog.blockscout.com/blockscout-vs-etherscan-api-free-tier-pricing-rate-limits-compared-2026/",
   "https://www.cryptoninjas.net/news/etherscan-launches-robinscan-for-robinhood-chain-opening-access-to-4663-chain-data/",
   "https://docs.etherscan.io/changelog"
  ],
  "verified": true,
  "last_verified": "2026-09-17",
  "page": "/providers/etherscan-api-v2-multichain.html"
 },
 "changes": [
  {
   "date": "2026-09-16",
   "provider": "Etherscan API v2 (multichain)",
   "type": "new-chain-coverage",
   "title": "Etherscan API v2 adds Arc Mainnet (chainid 5042): community endpoints free until Oct 15, then Lite+",
   "summary": "Etherscan's changelog entry of Sept 16 adds Arc Mainnet (Circle's USDC-gas EVM L1, chainid 5042) to API v2, the same day the chain went live. Community endpoints are free on every plan until October 15, 2026, after which they require a Lite plan ($49/mo) or above; source-code and ABI endpoints stay free on all tiers. Same terms as the Robinhood Chain (4663) entry posted the same day.",
   "sources": [
    "https://docs.etherscan.io/changelog"
   ],
   "verified": true
  },
  {
   "date": "2026-09-16",
   "provider": "Etherscan API v2 (multichain)",
   "type": "new-chain-coverage",
   "title": "Etherscan API v2 adds Robinhood Chain (chainid 4663): community endpoints free on every plan until Oct 15, then Lite+ ($49/mo); source/ABI stay free",
   "summary": "Etherscan changelog (Sept 16, 2026): Robinhood Chain Mainnet is now on API v2 (chainid=4663), following the Sept 15 launch of the RobinScan explorer at robin.etherscan.io; Arc Mainnet (chainid=5042) was added the same day. Community endpoints on both chains are complimentary through Oct 15, 2026 and need a Lite plan or above from Oct 16; source-code and ABI endpoints remain free on all plans including Free. docs.etherscan.io/supported-chains lists 4663 as 'Free Tier Available'; Avalanche C-Chain stays Paid Tier Only. Pricing tiers unchanged (Free $0, Lite $49, Standard $199, Advanced $299, Professional $399, Pro Plus $899; 10%/15% off quarterly/yearly).",
   "sources": [
    "https://docs.etherscan.io/changelog",
    "https://docs.etherscan.io/supported-chains"
   ],
   "verified": true
  },
  {
   "date": "2026-09-11",
   "provider": "Etherscan API v2 (multichain)",
   "type": "free-tier-cut",
   "title": "Etherscan free tier keeps shrinking (Gnosis moved behind Lite on Sep 1)",
   "summary": "Etherscan's supported-chains doc now flags 31 of 68 chains as paid-tier only (Avalanche C-Chain included) and, as of Sep 1, 2026, Gnosis community endpoints require a Lite ($49/mo) plan or above.",
   "sources": [
    "https://docs.etherscan.io/supported-chains",
    "https://etherscan.io/api/pricing"
   ],
   "verified": true
  }
 ]
}