{"uid":"cap_gX_0pky0cKLN3cto63V8i","slug":"x402-statistics-protocol-adoption-metrics-api-e7b6597b","name":"x402 Statistics — Protocol Adoption Metrics API","description":"Independent x402 protocol adoption statistics: daily payment volume, active sellers, buyers, and facilitator market share across every chain — wash-filtered organic metrics with published methodology. Free CSV & JSON.","url":"https://x402stats.io/api/x402/stats","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"series":[{"date":"2026-07-01","buyers":3152,"sellers":648,"volumeUsd":4100.12,"transactions":50472}],"snapshot":{"volumeUsd":965926,"organicSellers":173,"organicVolumeUsd":432169},"updatedAt":"2026-07-01T00:00:00Z","methodologyVersion":"2026-07-01.v1"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6lLf1cM3pxIlwdh9vW65_","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns wash-filtered daily time-series and snapshot statistics for x402 protocol adoption including payment volume, active buyers/sellers, transactions, and facilitator market share across chains.","exampleAgentPrompt":"Pull the latest x402 protocol stats for me — I want to see daily volume, how many organic sellers are active, and the current snapshot figures with the methodology version used to filter wash trades.","exampleUseCases":[{"title":"Monitoring x402 protocol growth","prompt":"Give me the x402 adoption stats for the past week — I want to see daily buyer and seller counts, transaction volume, and whether organic volume is growing relative to total volume."},{"title":"Comparing facilitator market share","prompt":"What does the current facilitator market share look like on x402? Pull the latest snapshot so I can see which facilitators are dominating volume right now."},{"title":"Building a live x402 dashboard","prompt":"Fetch the full x402 stats time series in JSON so I can chart daily transaction counts and USD volume over time — include the methodology version so I know which wash-filter rules were applied."}],"resultDescription":"Returns a JSON object with a 'series' array of daily data points (date, buyers, sellers, volumeUsd, transactions), a 'snapshot' object with cumulative totals (volumeUsd, organicSellers, organicVolumeUsd), the last updated timestamp, and a methodologyVersion string indicating the wash-filter rules applied. Data is available as both JSON and CSV.","failureModes":["Invalid or unrecognized query parameters may return empty or malformed results","Service unavailable if x402stats.io infrastructure is down (503)","Stale data if the daily pipeline has not yet completed for the current date","Payment of 0.005 USDC per call required — missing or invalid x402 payment header will result in 402 Payment Required","Methodology version mismatch if consumer assumes a fixed schema across versions"],"whenToPreferThis":"Choose this endpoint when you need independent, wash-filtered x402 protocol adoption metrics with a published methodology — especially for monitoring organic growth, facilitator competition, or building dashboards that need trustworthy time-series data. Prefer this over raw on-chain queries when you want pre-aggregated, validated metrics without implementing your own wash-trade filtering.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T00:33:19.915Z","isFirstParty":false}