{"uid":"cap_nAwEdl6GTLfWm3ySTaAKz","slug":"ozmium-tokenized-u-s-stocks-on-base-b20-directory-5d6e6dd1","name":"Ozmium Tokenized U.S. Stocks on Base (B20) Directory","description":"Coinbase's tokenized U.S. stocks on Base (B20): each token's contract, underlying ticker, live Chainlink 24/5 price (USD) with updatedAt, and minted supply (0 = no secondary liquidity yet; the quote decides). GET /v1/stocks. Secondary trading is permissionless on-chain; Regulation S, not for U.S. persons or other restricted jurisdictions.","url":"https://ozmium.org/v1/stocks","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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"data":{"type":"object","properties":{"ok":{"type":"boolean"}}},"network":{"type":"string"}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/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_Vj83-bgrD7RrNOfB7GnFy","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 the full list of Coinbase-issued tokenized U.S. stocks on Base, including each token's contract address, underlying ticker, live Chainlink USD price with timestamp, and minted supply.","exampleAgentPrompt":"Can you pull up the full list of Coinbase tokenized U.S. stocks on Base — I want to see which tickers are available, their current on-chain USD prices from Chainlink, contract addresses, and how much has been minted so far?","exampleUseCases":[{"title":"Pre-trade on-chain equity research","prompt":"Before I swap on-chain, show me all the tokenized U.S. stocks available on Base with their live Chainlink prices and contract addresses — I want to know which ones have actual minted supply and aren't just zero-liquidity placeholders."},{"title":"DeFi portfolio price check","prompt":"I hold some B20 tokenized stock tokens — can you fetch their current Chainlink USD prices and tell me when each price was last updated, so I can mark my portfolio to market?"},{"title":"Smart contract integration lookup","prompt":"I'm building a DeFi app on Base that uses Coinbase's tokenized stocks — can you give me the contract addresses and underlying tickers for all available B20 tokens so I can integrate them?"}],"resultDescription":"A JSON list of all Coinbase-issued tokenized U.S. stock tokens on Base (B20 program), each entry containing: the ERC-20 contract address on Base, the underlying stock ticker symbol (e.g. AAPL, TSLA), the live Chainlink USD price and the timestamp it was last updated (24/5 trading hours), and the current minted supply (0 indicates no secondary market liquidity yet).","failureModes":["API returns 402 Payment Required if x402 USDC micropayment is not attached","Price data may be stale outside 24/5 market hours (Chainlink feeds pause on weekends/holidays)","Minted supply of 0 does not imply the token is unavailable — it means no secondary liquidity exists yet","Network errors or Base RPC timeouts may result in incomplete or cached data","Regulation S compliance: the endpoint does not serve U.S. persons; agents operating in restricted jurisdictions may be blocked or data may be withheld"],"whenToPreferThis":"Choose this endpoint when you need a single authoritative directory of all Coinbase-issued tokenized U.S. equities on Base, including live Chainlink prices and contract addresses — ideal for pre-trade research, DeFi integration, portfolio valuation, or arbitrage discovery involving on-chain real-world assets. Prefer this over generic DEX price APIs when you specifically need the official B20 contract registry or Chainlink-sourced prices for tokenized stocks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-16T13:14:21.027Z","isFirstParty":false}