{"id":94,"date":"2025-04-23T19:57:47","date_gmt":"2025-04-23T17:57:47","guid":{"rendered":"https:\/\/quantifier.fr\/?p=94"},"modified":"2025-05-02T11:14:39","modified_gmt":"2025-05-02T09:14:39","slug":"appeler-lapi-alphavantage","status":"publish","type":"post","link":"https:\/\/quantifier.fr\/index.php\/2025\/04\/23\/appeler-lapi-alphavantage\/","title":{"rendered":"Appeler l’API Alphavantage"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

Vous pouvez g\u00e9n\u00e9rer une cl\u00e9 d’acc\u00e8s gratuite \u00e0 l’API Alphavantage. Avec la cl\u00e9 gratuite vous serez limit\u00e9 \u00e0 25 requ\u00eates par jour. Au del\u00e0, il vous faudra g\u00e9n\u00e9rer une cl\u00e9 payante. <\/p>\n\n\n\n

Personnellement, je me suis servi d’Alphavantage payant pour t\u00e9l\u00e9charger des cotations US intra journali\u00e8res. Ci-dessous le code javascript : <\/p>\n\n\n

\n\/\/ Remplacer par la cl\u00e9 g\u00e9n\u00e9r\u00e9e sur Alpha Vantage\nconst API_KEY = "votre cl\u00e9";\n\nconst interval = "1min"; \/\/ Interval de temps\nconst outputSize = "full"; \/\/ "compact" (100 points) ou "full" (historique complet)\n\nfunction wait(ms) {\n    return new Promise(resolve => setTimeout(resolve, ms));\n}\n\nasync function fetchStockData(ticker, month) {\n    url = `https:\/\/www.alphavantage.co\/query?function=TIME_SERIES_INTRADAY&symbol=${ticker}&interval=${interval}&month=${month}&apikey=${API_KEY}&outputsize=${outputSize}`;\n\n    try {\n        const response = await fetch(url);\n        const data = await response.json();\n\n        if (!data["Time Series (1min)"]) {\n            console.error(`\u26a0\ufe0f Erreur : Pas de donn\u00e9es pour ${ticker} ${url}`);\n            return;\n        }\n\n        Object.entries(data["Time Series (1min)"])\n            .forEach(([timestamp, values]) => {\n              const dateObj = new Date(timestamp);\n              \/\/ Format: AAAA\/MM\/JJ\n              const date = dateObj.toLocaleDateString('en-ZA'); \n              \/\/ Format: HH:MM              \n              const time = dateObj.toLocaleTimeString('en-GB', { hour: '2-digit', minute: '2-digit' }); \n              console.log(`${ticker};${date};${time};${values["1. open"]};${values["4. close"]};${values["2. high"]};${values["3. low"]};${values["5. volume"]}`);\n            });\n\n    } catch (error) {\n        console.error(`\u274c Erreur lors de la r\u00e9cup\u00e9ration de ${ticker} :`, error.message);\n    }\n}\n\nsetTimeout(()=>{fetchStockData('AAPL', '2024-12');},0);\n\n\/\/indiquez votre ticker et le mois souhait\u00e9 pour les donn\u00e9es intra journali\u00e8res\nsetTimeout(()=>{fetchStockData('votre ticker', 'AAAA-MM');},0);\n\n<\/pre><\/div>\n\n\n
et l’appel dans le terminal node.js<\/p>\n\n\n\n
node alphavantage.js >> c:\\temp\\intraday.csv<\/pre>\n\n\n\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
Vous pouvez g\u00e9n\u00e9rer une cl\u00e9 d’acc\u00e8s gratuite \u00e0 l’API Alphavantage. Avec la cl\u00e9 gratuite vous serez limit\u00e9 \u00e0 25 requ\u00eates par jour. Au del\u00e0, il vous faudra g\u00e9n\u00e9rer une cl\u00e9 payante. Personnellement, je me suis servi d’Alphavantage payant pour t\u00e9l\u00e9charger des cotations US intra journali\u00e8res. Ci-dessous le code javascript : et l’appel dans le terminal […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-94","post","type-post","status-publish","format-standard","hentry","category-non-classe"],"_links":{"self":[{"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/posts\/94","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/comments?post=94"}],"version-history":[{"count":9,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions"}],"predecessor-version":[{"id":112,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/posts\/94\/revisions\/112"}],"wp:attachment":[{"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/media?parent=94"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/categories?post=94"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/quantifier.fr\/index.php\/wp-json\/wp\/v2\/tags?post=94"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}