{"uid":"cap_mjerivGWNvrCzU5wdJSsZ","slug":"blockchain-com-nvt-signal-chart-api-8818c303","name":"Blockchain.com NVT Signal Chart API","description":"Paid AI-agent access to Blockchain.com Explorer API","url":"https://api.blockchain.info/explorer-gateway-kt/x402/charts/nvts?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cors":{"type":"boolean","default":false,"description":"Enable CORS headers"},"format":{"enum":["json","csv"],"type":"string","default":"json","description":"Response format:\n- `json` — Returns structured JSON with metadata and values\n- `csv` — Returns raw CSV data with timestamp and value columns (no metadata)\n"},"sampled":{"type":"boolean","default":true,"description":"Apply sampling to reduce data points"},"metadata":{"type":"boolean","default":false,"description":"Include metadata in response"},"timespan":{"type":"string","default":"1y","example":"1y","description":"Time period (e.g., \"24h\", \"7d\", \"1y\", \"3y\")"},"rollingAverage":{"type":"string","default":"8h","example":"8h","description":"Rolling average window (e.g., \"8h\", \"24h\")"}}},"responseSchema":{"type":"json","format":"application/json","example":{"name":"Network Value to Transactions Signal (NVTS)","unit":"Ratio","period":"day","status":"ok","values":[{"x":1704067200,"y":31.09},{"x":1704153600,"y":31.44}],"description":"The ratio of the market capitalisation of Bitcoin to a moving average of the USD value transferred on the network."}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_nd4zNkTo5PMRn_erDyl7j","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns NVT (Network Value to Transactions) signal chart data for Bitcoin from the Blockchain.com Explorer API","exampleAgentPrompt":"Can you pull the Bitcoin NVT signal chart data from Blockchain.com for the past year in JSON format with an 8-hour rolling average?","exampleUseCases":[{"title":"Bitcoin valuation signal monitoring","prompt":"Fetch me the Bitcoin NVT signal chart for the last 3 years from Blockchain.com with a 24-hour rolling average, so I can analyze whether Bitcoin is currently overvalued or undervalued relative to on-chain transaction volume."},{"title":"On-chain metrics report generation","prompt":"Get me the NVT signal chart data for the past 7 days in CSV format from Blockchain.com, sampled to reduce data points — I need to drop it into a spreadsheet for my weekly on-chain metrics report."},{"title":"Real-time NVT signal alerting","prompt":"Pull the latest Bitcoin NVT signal from Blockchain.com for the past 24 hours with metadata included — I want to see if the NVT has spiked recently and set up an alert if it crosses a threshold."}],"resultDescription":"Returns a time-series dataset of Bitcoin NVT (Network Value to Transactions) signal values. In JSON format, includes structured metadata alongside an array of timestamped data points. In CSV format, returns raw two-column data (timestamp and value). The rolling average window and timespan control the resolution and smoothing of the returned chart data.","failureModes":["Invalid timespan format — returns error if timespan string is not recognized (e.g. unsupported units)","Invalid rollingAverage format — error if window string is malformed","Payment not provided — returns HTTP 402 if USDC payment header is missing or invalid","Rate limiting — too many requests may result in 429 errors","Invalid format enum — error if format is not 'json' or 'csv'","Network timeout — large timespans with unsampled data may cause slow or failed responses"],"whenToPreferThis":"Use this endpoint when you need historical or recent Bitcoin NVT signal data specifically from Blockchain.com's Explorer, particularly when you want configurable rolling averages, flexible timespans, and choice between JSON or CSV output. Prefer this over generic crypto data APIs when you need Blockchain.com's specific NVT calculation methodology or when integrating with other Blockchain.com Explorer endpoints for consistent on-chain data sourcing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:41:32.679Z","isFirstParty":false,"canonicalSlug":"blockchain-com-nvt-signal-chart-api-8818c303"}