{"uid":"cap_Bb8qt-DYA8dZTXVNzUV8r","slug":"caselaw-access-project-reporter-volume-metadata-0f8fd1dd","name":"Caselaw Access Project Reporter Volume Metadata","description":"Caselaw Access Project volume metadata for one reporter (for example a2d = Atlantic Reporter, 2nd series): volume number, publisher, year, jurisdictions and volume ID. Returns volume metadata only; case texts are not included.","url":"https://api.companyrecords-api.workers.dev/api/gov/caselaw-access?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["reporter"],"properties":{"limit":{"type":"string","description":"Volumes to return, 1 to 20 (default 5)"},"reporter":{"type":"string","description":"Reporter slug as used on static.case.law, e.g. a2d, a3d, us"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"source":"https://static.case.law/a2d/VolumesMetadata.json","volumes":[{"title":null,"volumeId":"32044109578716","publisher":"West Publishing Co.","reporterSlug":"a2d","volumeNumber":"100","jurisdictions":["District of Columbia","Delaware"],"publicationYear":1954},{"title":null,"volumeId":"32044109578567","publisher":"West Publishing Co.","reporterSlug":"a2d","volumeNumber":"101","jurisdictions":["District of Columbia","Delaware"],"publicationYear":1954}],"reporter":"a2d","checkedAt":"2026-10-23T09:37:13.719Z","totalVolumes":967}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uTiDmi_ck80jBhXYQs5kX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns volume-level metadata (volume number, publisher, year, jurisdictions, volume ID) for a specified legal reporter series from the Caselaw Access Project.","exampleAgentPrompt":"Can you pull up the volume metadata for the Atlantic Reporter 2nd series (a2d) from the Caselaw Access Project — I need the volume numbers, publishers, publication years, and jurisdictions for the first 10 volumes?","exampleUseCases":[{"title":"Audit reporter coverage by jurisdiction","prompt":"I need to know which jurisdictions are covered across volumes of the Atlantic Reporter 3rd series (a3d) — can you fetch the metadata for up to 20 volumes so I can see the jurisdiction list for each?"},{"title":"Verify publication timeline of US Reports","prompt":"What years were the US Reports (reporter slug: us) published? Grab metadata for the first 10 volumes so I can check the publication years and publishers."},{"title":"Build a reporter volume index","prompt":"I'm building a database of legal reporters — can you fetch volume metadata for the Pacific Reporter 2nd series (p2d), including volume IDs and publication years, returning up to 15 volumes?"}],"resultDescription":"A JSON object containing the reporter slug queried, the source URL on static.case.law, a checkedAt timestamp, the total number of volumes, and an array of volume objects each with volumeId, volumeNumber, publisher, publicationYear, jurisdictions array, reporterSlug, and a nullable title field.","failureModes":["Unknown or misspelled reporter slug returns empty volumes array or error","Limit parameter outside 1–20 range may be rejected or clamped","Reporter slug that exists on static.case.law but has no indexed metadata returns empty result","Network timeout from upstream static.case.law data source","Rate limiting or payment failure at the x402 paywall layer"],"whenToPreferThis":"Choose this endpoint when you need structured bibliographic metadata about legal reporter volumes (volume numbers, years, publishers, jurisdictions) from the Caselaw Access Project without needing full case text. Ideal for building legal research indexes, verifying reporter coverage, or cross-referencing volume IDs before fetching case documents from another source.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:44:51.483Z","isFirstParty":false,"canonicalSlug":"caselaw-access-project-reporter-volume-metadata-0f8fd1dd"}