{"uid":"cap_HGLINkjl6XWB2YKDG76xb","slug":"arkham-tag-summary-aee55149","name":"Arkham Tag Summary","description":"Get Arkham tag summary statistics. $0.20 per call.","url":"https://api.arkm.com/x402/tag/summary","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"id":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"},{"type":"array","items":{"anyOf":[{"type":"string"},{"type":"number"},{"type":"boolean"}]}}],"description":"The tag identifier to retrieve summary statistics for."}}},"responseSchema":{"type":"json","example":{"tagId":"proof-of-reserves","numEntities":41,"numAddresses":1469166,"numUniqueTagParams":39}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.2","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":"$0.2/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.2","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_j1QpTpOIqSS6AyQ6Yl4P8","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.2","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns aggregate statistics for a specific Arkham intelligence tag, including entity count, address count, and unique tag parameter count.","exampleAgentPrompt":"Pull the Arkham tag summary for 'proof-of-reserves' — I want to know how many entities and wallet addresses are associated with that tag, and how many unique tag parameters exist.","exampleUseCases":[{"title":"Exchange wallet coverage research","prompt":"How many addresses and entities does Arkham have tagged as 'exchange' right now? I want to understand the coverage before I start a wallet monitoring project."},{"title":"Proof-of-reserves cluster sizing","prompt":"Get me the Arkham tag summary for 'proof-of-reserves' — how many entities, addresses, and unique tag params are in that cluster?"},{"title":"Comparing tag sizes across labels","prompt":"I'm trying to compare how big the 'cex' tag is versus 'dex' on Arkham. Can you pull the tag summaries for both so I can see the entity and address counts?"}],"resultDescription":"Returns a JSON object with the tagId, total number of entities bearing that tag (numEntities), total number of associated blockchain addresses (numAddresses), and the number of unique tag parameter variants (numUniqueTagParams). Example: proof-of-reserves tag has 41 entities, 1,469,166 addresses, and 39 unique tag params.","failureModes":["Unknown or misspelled tagId returns empty or error response","Tag exists but has zero entities/addresses if recently created","x402 payment failure if USDC balance is insufficient","Rate limiting or authentication errors if API key is invalid","Network timeout if Arkham backend is under load"],"whenToPreferThis":"Use this endpoint when you need aggregate statistics about a named Arkham intelligence tag — specifically entity count, address count, and parameter diversity — rather than individual wallet or entity details. Prefer this over broader entity search endpoints when you only need top-level tag-level summaries without per-entity data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:00:00.393Z","isFirstParty":false}