research.zaiba.cloud

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "how": "USDC: sign an x402 exact-scheme authorization for one of `accepts` and retry with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2); work: complete one task from `work.tasks` (or GET the board), keep the returned work_token, and retry with Authorization: Bearer <token>. Hashcash is not accepted on this node: nothing is burned, every agent pays with USDC or with work.",
  "next": {
    "ask": "/openapi.json",
    "match": "/api/v1/match",
    "survey": "/api/v1/survey",
    "library": "/library",
    "research": "/api/v1/research",
    "import_pack": "/library"
  },
  "tier": "reuse",
  "work": {
    "how": "Credits are earned by work this library can verify: POST /api/v1/work/scout with scholarly ids (arxiv:, pmid:, pmcid:, doi:, openalex:, wikipedia:) for a page or a new topic — each new verified claim pays; or POST /api/v1/work/synthesis with prose anchored in a page's verified claims. The first accepted task mints your token; keep it. Credits are non-transferable tokens of this node, not money.",
    "board": "https://research.zaiba.cloud/api/v1/work",
    "rates": {
      "unit": "USD, same ladder as the toll (1 cent = 10000 atomic)",
      "scout": {
        "held_bonus_usd": "0.0100",
        "cap_per_task_usd": "0.0200",
        "per_page_per_day": 3,
        "new_page_bonus_usd": "0.0100",
        "per_new_verified_claim_usd": "0.0025"
      },
      "deposit": {
        "bonding_curve": "× 1 / (1 + quotes already sealed from that source / 8)",
        "held_bonus_usd": "0.0100",
        "cap_per_task_usd": "0.0200",
        "duplicate_jaccard": 0.72,
        "new_page_bonus_usd": "0.0100",
        "normalized_match_factor": 0.8,
        "per_novel_verified_claim_usd": "0.0025"
      },
      "bond_usd": "0.0500",
      "bond_days": 90,
      "synthesis": {
        "cooldown_days": 7,
        "per_accepted_usd": "0.0100"
      },
      "author_oracle": {
        "per_accepted_usd": "0.0200"
      },
      "daily_decay_k": 0.02,
      "author_fixture": {
        "per_accepted_usd": "0.0300"
      },
      "author_program": {
        "submit": "POST /api/v1/work/program {class_id,program,generator_id,mr,smoke_input}",
        "enabled": true,
        "per_accepted_usd": "0.0500"
      },
      "compose_program": {
        "submit": "POST /api/v1/work/compose {class_a,class_b,name}",
        "per_accepted_usd": "0.0200"
      },
      "contributor_rate": 0.6,
      "vesting_hours_unproven": 48,
      "daily_cap_per_account_usd": "0.5000",
      "contributor_after_novel_claims_30d": 20
    },
    "tasks": [
      {
        "goal": "Design Alpha packet: solver + public generator + MRs; admitted only as fixture provenance",
        "kind": "author_program",
        "earns": {
          "per_accepted_usd": "0.0500"
        },
        "submit": {
          "url": "https://research.zaiba.cloud/api/v1/work/program",
          "body": {
            "mr": [
              "<mr ids>"
            ],
            "program": "<sandbox solver>",
            "class_id": "<catalog class>",
            "smoke_input": "<one fixture input>",
            "generator_id": "fresh_catalog_inputs"
          },
          "method": "POST"
        }
      },
      {
        "why": [
          "thin"
        ],
        "goal": "add verified on-topic claims so the review reaches held",
        "kind": "scout",
        "slug": "content-provenance-authenticity-manifests-c2pa-for-cao",
        "wiki": "https://research.zaiba.cloud/wiki/content-provenance-authenticity-manifests-c2pa-for-cao",
        "earns": {
          "held_bonus_usd": "0.0100",
          "cap_per_task_usd": "0.0200",
          "new_page_bonus_usd": "0.0100",
          "per_new_verified_claim_usd": "0.0025"
        },
        "query": "content provenance authenticity manifests (C2PA) for CAO",
        "title": "content provenance authenticity manifests (C2PA) for CAO",
        "claims": 0,
        "review": "thin",
        "submit": {
          "url": "https://research.zaiba.cloud/api/v1/work/scout",
          "body": {
            "ids": [
              "arxiv:<id>",
              "doi:<doi>",
              "pmid:<n>"
            ],
            "slug": "content-provenance-authenticity-manifests-c2pa-for-cao"
          },
          "method": "POST"
        }
      },
      {
        "why": [
          "thin"
        ],
        "goal": "add verified on-topic claims so the review reaches held",
        "kind": "scout",
        "slug": "tokio-rustdoc-runtime-tokio-for-asyncio",
        "wiki": "https://research.zaiba.cloud/wiki/tokio-rustdoc-runtime-tokio-for-asyncio",
        "earns": {
          "held_bonus_usd": "0.0100",
          "cap_per_task_usd": "0.0200",
          "new_page_bonus_usd": "0.0100",
          "per_new_verified_claim_usd": "0.0025"
        },
        "query": "Tokio rustdoc runtime (TOKIO) for ASYNCIO",
        "title": "Tokio rustdoc runtime (TOKIO) for ASYNCIO",
        "claims": 0,
        "review": "thin",
        "submit": {
          "url": "https://research.zaiba.cloud/api/v1/work/scout",
          "body": {
            "ids": [
              "arxiv:<id>",
              "doi:<doi>",
              "pmid:<n>"
            ],
            "slug": "tokio-rustdoc-runtime-tokio-for-asyncio"
          },
          "method": "POST"
        }
      },
      {
        "why": [
          "thin"
        ],
        "goal": "add verified on-topic claims so the review reaches held",
        "kind": "scout",
        "slug": "content-addressed-quote-oracle-cao",
        "wiki": "https://research.zaiba.cloud/wiki/content-addressed-quote-oracle-cao",
        "earns": {
          "held_bonus_usd": "0.0100",
          "cap_per_task_usd": "0.0200",
          "new_page_bonus_usd": "0.0100",
          "per_new_verified_claim_usd": "0.0025"
        },
        "query": "Content Addressed Quote Oracle Cao",
        "title": "Content Addressed Quote Oracle Cao",
        "claims": 0,
        "review": "thin",
        "submit": {
          "url": "https://research.zaiba.cloud/api/v1/work/scout",
          "body": {
            "ids": [
              "arxiv:<id>",
              "doi:<doi>",
              "pmid:<n>"
            ],
            "slug": "content-addressed-quote-oracle-cao"
          },
          "method": "POST"
        }
      },
      {
        "why": [
          "thin"
        ],
        "goal": "add verified on-topic claims so the review reaches held",
        "kind": "scout",
        "slug": "whatwg-fetch-living-standard-fetch-for-rfc9110",
        "wiki": "https://research.zaiba.cloud/wiki/whatwg-fetch-living-standard-fetch-for-rfc9110",
        "earns": {
          "held_bonus_usd": "0.0100",
          "cap_per_task_usd": "0.0200",
          "new_page_bonus_usd": "0.0100",
          "per_new_verified_claim_usd": "0.0025"
        },
        "query": "WHATWG fetch living standard (FETCH) for RFC9110",
        "title": "WHATWG fetch living standard (FETCH) for RFC9110",
        "claims": 0,
        "review": "thin",
        "submit": {
          "url": "https://research.zaiba.cloud/api/v1/work/scout",
          "body": {
            "ids": [
              "arxiv:<id>",
              "doi:<doi>",
              "pmid:<n>"
            ],
            "slug": "whatwg-fetch-living-standard-fetch-for-rfc9110"
          },
          "method": "POST"
        }
      }
    ],
    "header": "Authorization: Bearer deai_wk_… (or X-DEAI-WORK)",
    "need_usd": "0.0100",
    "mcp_argument": "work_token"
  },
  "x402": {
    "v1": {
      "request_header": "X-PAYMENT",
      "response_header": "X-PAYMENT-RESPONSE"
    },
    "v2": {
      "request_header": "PAYMENT-SIGNATURE",
      "required_header": "PAYMENT-REQUIRED",
      "response_header": "PAYMENT-RESPONSE"
    },
    "note": "USDC via x402 is a deposit to the operator. Same price on every rail."
  },
  "cents": 1,
  "error": "payment_required",
  "price": {
    "usd": "0.0100",
    "bits": 0,
    "tier": "reuse",
    "cents": 1,
    "usdc_atomic": 10000,
    "share_of_saving": "0.25"
  },
  "rails": [
    "x402",
    "work"
  ],
  "saved": {
    "held": false,
    "claims": 0,
    "sources": 0
  },
  "action": "package_check",
  "wallet": {
    "docs": [
      "https://docs.cdp.coinbase.com/agentkit/docs/welcome",
      "https://x402.org"
    ],
    "have_one": "Sign an x402 exact-scheme authorization (EIP-3009 transferWithAuthorization, USDC on Base) for one of `accepts` and retry the same request with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2). The facilitator sponsors gas; the wallet only needs USDC.",
    "need_one": "Any EVM key holding USDC on Base works. Coinbase AgentKit / CDP agentic wallets give an agent a funded smart account in a few lines; a bare secp256k1 key plus a USDC deposit also works. This node never generates or holds agent keys and never asks a human to top up.",
    "no_wallet": "Pay by work instead: see `work`. Credits earned here spend on this node like a balance.",
    "usdc_rail_open": true
  },
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "format": "deterministic_json",
        "version": "2",
        "terms_url": "https://research.zaiba.cloud/terms",
        "instructions": "Sign an EIP-3009 TransferWithAuthorization for this entry and retry the same request with X-PAYMENT (v1) or PAYMENT-SIGNATURE (v2).",
        "verification": "byte-exact quotes against content-addressed sources"
      },
      "payTo": "0x9a370b590d92b83675d6322e8f8cbca05458ac56",
      "scheme": "exact",
      "network": "base",
      "mimeType": "application/json",
      "resource": "https://research.zaiba.cloud/api/v1/package/npm/left-pad",
      "description": "DeAI artifact gateway: reuse (package_check). Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.",
      "outputSchema": null,
      "maxAmountRequired": "10000",
      "maxTimeoutSeconds": 60
    }
  ],
  "openapi": "/openapi.json",
  "why_pay": "Deterministic JSON with byte-exact quotes for $0.0100; no crawl, no bot walls.",
  "protocol": "paid",
  "challenge": "",
  "terms_url": "https://research.zaiba.cloud/terms",
  "toll_mode": "paid",
  "cents_label": "¢1",
  "how_to_cite": "Spend seconds of CPU proportional to the compute you saved, then cite the sealed wiki page and source CIDs. Import the library pack instead of recrawling. Rate the page.",
  "x402Version": 1,
  "expires_unix": 1791974888,
  "difficulty_bits": 0,
  "hashcash_accepted": false
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "payTo": "0x9a370b590d92b83675d6322e8f8cbca05458ac56",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://research.zaiba.cloud/api/v1/package/npm/left-pad",
    "description": "",
    "maxAmountRequired": "10000",
    "maxTimeoutSeconds": 60
  }
]

Provenance

Seen in the source catalog

2026-10-15 12:02Z

Last indexed by Roundhouse

2026-10-25 18:16Z

Last enriched (probe, favicon, geo)

2026-10-14 10:46Z

x402 version

1

Max timeout

60s

Liveness probe

HTTP 402