Search academic literature across OpenAlex, Crossref and arXiv in one call

Search academic literature across OpenAlex, Crossref and arXiv in one call: title, authors, year, venue, DOI, citation count, abstract and a DIRECT open-access PDF link where one exists. Deduplicated across sources, filterable by year and open-access, optional BibTeX per paper. One request replaces three APIs.

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://agentbit.app/v1/research/papers

Our checks, last 30 days

Example input (from the provider)

{
  "body": {
    "format": "bibtex",
    "limit": 5,
    "query": "attention is all you need transformer"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "description": {
      "type": "string"
    },
    "errors": {
      "items": {
        "properties": {
          "code": {
            "type": "string"
          },
          "description": {
            "type": "string"
          },
          "retryable": {
            "type": "boolean"
          },
          "status": {
            "type": "integer"
          }
        },
        "required": [
          "status",
          "code"
        ],
        "type": "object"
      },
      "type": "array"
    },
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "description": "Academic Paper Search input. Search academic literature across OpenAlex, Crossref and arXiv in one call: title, authors, year, venue, DOI, citation count, abstract and a DIRECT open-access PDF link where one exists. Deduplicated across sources, filterable by year and open-access, optional BibTeX per paper. One request replaces three APIs.",
          "properties": {
            "format": {
              "description": "'bibtex' adds a ready-to-cite BibTeX entry per paper",
              "enum": [
                "json",
                "bibtex"
              ],
              "type": "string"
            },
            "limit": {
              "description": "Max papers to return (1-25, default 10)",
              "type": "integer"
            },
            "open_access_only": {
              "description": "Only papers with a direct open-access PDF link",
              "type": "boolean"
            },
            "query": {
              "description": "Search query: topic, title fragment, or author + topic (3-300 chars)",
              "type": "string"
            },
            "year_from": {
              "description": "Only papers published in or after this year",
              "type": "integer"
            }
          },
          "required": [
            "query"
          ],
          "type": "object"
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "headers": {
          "additionalProperties": {
            "type": "string"
          },
          "type": "object"
        },
        "method": {
          "enum": [
            "POST",
            "PUT",
            "PATCH"
          ],
          "type": "string"
        },
        "queryParams": {
          "additionalProperties": {
            "type": "string"
          },
          "type": "object"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "networks": {
      "items": {
        "type": "string"
      },
      "type": "array"
    },
    "output": {
      "properties": {
        "example": {
          "type": "object"
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    },
    "pricing": {
      "properties": {
        "amount": {
          "type": [
            "number",
            "null"
          ]
        },
        "currency": {
          "type": "string"
        },
        "firstCallFree": {
          "type": "boolean"
        },
        "maxAmount": {
          "type": "number"
        },
        "model": {
          "type": "string"
        },
        "quoteHint": {
          "type": "string"
        },
        "volumeDiscounts": {
          "items": {
            "properties": {
              "minCalls30d": {
                "type": "integer"
              },
              "percent": {
                "type": "number"
              }
            },
            "required": [
              "minCalls30d",
              "percent"
            ],
            "type": "object"
          },
          "type": "array"
        }
      },
      "type": "object"
    },
    "reliability": {
      "properties": {
        "measuredAt": {
          "type": "string"
        },
        "p50LatencyMs": {
          "type": [
            "integer",
            "null"
          ]
        },
        "p95LatencyMs": {
          "type": [
            "integer",
            "null"
          ]
        },
        "sampleSize": {
          "type": "integer"
        },
        "successRatePercent": {
          "type": "number"
        },
        "windowDays": {
          "type": "integer"
        }
      },
      "required": [
        "successRatePercent",
        "sampleSize",
        "windowDays"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

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