{
  "x402Version": 2,
  "id": 2518,
  "slug": "2518",
  "resource": "https://citepulse.theaslangroupllc.com/api/paper",
  "description": "Single-paper lookup by DOI or title for research agents — citation count, influence, open-access status with a direct legal-OA link (Unpaywall), venue, and a TLDR. Deterministic passthrough over OpenAlex + Semantic Scholar + Unpaywall, no synthesis, cheap and fast.",
  "type": "http",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "20000",
      "maxTimeoutSeconds": 604900
    },
    {
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "payTo": "985iFjbnGQ3dJcwXnfRCMSrH4Jnc3kW1N6msR64B5KX1",
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:137",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:42161",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:480",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x79A02482A880bCe3F13E09da970dC34dB4cD24D1",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:143",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:196",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x779ded0c9e1022225f8e0630b35a9b54be713736",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:999",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0xb88339CB7199b77E23DB6E890353E22632Ba630f",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73k",
      "payTo": "62A253YPATFNJCPRKID3FKD77MYJFNTVRYRP4B4JWG36EGLPY7UXFWGI7I",
      "asset": "31566704",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "xrpl:0",
      "payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
      "asset": "XRP",
      "amount": "20000",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "xrpl:0",
      "payTo": "rMnHeutYALco8RYFVcmuU4BCgSzBpPEh32",
      "asset": "524C555344000000000000000000000000000000",
      "amount": "0.02",
      "maxTimeoutSeconds": 300
    },
    {
      "scheme": "exact",
      "network": "eip155:56",
      "payTo": "0x50ab2018c06c6E4eAA9BA52057Eb55eD284912fc",
      "asset": "0x8d0D000Ee44948FC98c9B98A4FA4921476f08B0d",
      "amount": "20000000000000000",
      "maxTimeoutSeconds": 300
    }
  ],
  "outputSchema": {
    "bazaar": {
      "info": {
        "input": {
          "method": "GET",
          "queryParams": {
            "doi": "10.1038/nature12373"
          },
          "type": "http"
        },
        "output": {
          "errors": {
            "400": {
              "description": "Invalid or missing parameter(s). Returned before the payment gate on paid requests, so a malformed call is never charged. JSON body: { error: <what is wrong and how to fix it> } plus usage hints.",
              "example": {
                "error": "invalid request"
              }
            },
            "402": {
              "description": "Payment required — x402 v2 challenge; the accepts array lists scheme, network, and amount. Retry the same request with a PAYMENT-SIGNATURE (v2) or X-PAYMENT (v1) header. Verification is free."
            },
            "500": {
              "description": "Unexpected server error. If a payment settled without a usable result, contact info@theaslangroupllc.com with the settlement tx hash for a re-run or credit.",
              "example": {
                "error": "upstream_failed"
              }
            }
          },
          "example": {
            "cited_by_count": 1787,
            "doi": "10.1038/nature12373",
            "is_retracted": false,
            "open_access": {
              "best_url": "https://arxiv.org/pdf/1304.1068",
              "is_oa": true,
              "status": "green"
            },
            "title": "Nanometre-scale thermometry in a living cell",
            "tldr": "Demonstrates nanoscale thermometry using NV centres in diamond to map temperature at the subcellular level.",
            "venue": "Nature",
            "year": 2013
          },
          "type": "json"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "method": {
                "enum": [
                  "GET",
                  "HEAD",
                  "DELETE"
                ],
                "type": "string"
              },
              "queryParams": {
                "properties": {
                  "doi": {
                    "description": "DOI of the paper, e.g. 10.1038/nature12373 (preferred — exact match)",
                    "type": "string"
                  },
                  "title": {
                    "description": "Paper title (used only if doi is omitted — free-text title search, less certain)",
                    "type": "string"
                  }
                },
                "type": "object"
              },
              "type": {
                "const": "http",
                "type": "string"
              }
            },
            "required": [
              "type",
              "method"
            ],
            "type": "object"
          },
          "output": {
            "properties": {
              "errors": {
                "additionalProperties": {
                  "properties": {
                    "description": {
                      "type": "string"
                    },
                    "example": {
                      "type": "object"
                    }
                  },
                  "required": [
                    "description"
                  ],
                  "type": "object"
                },
                "description": "Documented error responses, keyed by HTTP status code",
                "type": "object"
              },
              "example": {
                "type": "object"
              },
              "type": {
                "type": "string"
              }
            },
            "required": [
              "type"
            ],
            "type": "object"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    },
    "builder-code": {
      "info": {
        "a": "bc_gxy6qn5p"
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "additionalProperties": false,
        "properties": {
          "a": {
            "description": "App builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          },
          "s": {
            "description": "Service builder codes",
            "items": {
              "pattern": "^[a-z0-9_]{1,32}$",
              "type": "string"
            },
            "type": "array"
          },
          "w": {
            "description": "Wallet builder code",
            "pattern": "^[a-z0-9_]{1,32}$",
            "type": "string"
          }
        },
        "type": "object"
      }
    }
  },
  "tags": [
    "bazaar",
    "builder-code"
  ],
  "sourceHost": "citepulse.theaslangroupllc.com",
  "lastUpdated": "2026-09-16T18:00:19.797Z",
  "quality": {
    "calls30d": 3,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-09-16T18:00:19.462Z"
  },
  "liveness": {},
  "verified": false,
  "featured": false,
  "provider": {
    "host": "citepulse.theaslangroupllc.com",
    "manifest_name": "citepulse.theaslangroupllc.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-09-18T22:00:31.484Z"
  }
}