cdp-wallet-onramp-kit

{ "info": { "_postman_id": "db553a20-1a0a-443c-a450-64e0c7a533eb", "name": "Onramp APIs", "schema": "https://schema.getpostman.com/json/collection/v2.1.0/collection.json", "_exporter_id": "18811580" }, "item": [ { "name": "Create Session Token", "request": { "method": "POST", "header": [], "body": { "mode": "raw", "raw": "{\n \"addresses\": [\n {\n \"address\": \"0x1EFEcb61A2f80Aa34d3b9218B564a64D05946290\",\n \"blockchains\": [\"polygon\"]\n }\n ]\n}", "options": { "raw": { "language": "json" } } }, "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/token", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "token" ] } }, "response": [] }, { "name": "Buy Config", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/buy/config", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "buy", "config" ] } }, "response": [] }, { "name": "Buy Options", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/buy/options?country=US&subdivision=FL", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "buy", "options" ], "query": [ { "key": "country", "value": "US" }, { "key": "subdivision", "value": "FL" } ] } }, "response": [] }, { "name": "Create Buy Quote", "request": { "method": "POST", "header": [], "body": { "mode": "raw", "raw": "{\n \"payment_amount\": \"100.00\",\n \"payment_currency\": \"USD\",\n \"purchase_currency\": \"d85dce9b-5b73-5c3c-8978-522ce1d1c1b4\",\n \"purchase_network\": \"ethereum-mainnet\",\n \"payment_method\": \"CARD\",\n \"country\": \"US\",\n \"subdivision\": \"CA\"\n}", "options": { "raw": { "language": "json" } } }, "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/buy/quote", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "buy", "quote" ] } }, "response": [] }, { "name": "Transaction Status", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/buy/user/{partner_user_id}/transactions?page_key={next_page_key}&page_size={page_size}", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "buy", "user", "{partner_user_id}", "transactions" ], "query": [ { "key": "page_key", "value": "{next_page_key}" }, { "key": "page_size", "value": "{page_size}" } ] } }, "response": [] }, { "name": "Transactions", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/buy/transactions", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "buy", "transactions" ], "query": [ { "key": "page_key", "value": "{next_page_key}", "disabled": true }, { "key": "page_size", "value": "{page_size}", "disabled": true }, { "key": "start_date", "value": "{start_date}", "disabled": true }, { "key": "end_date", "value": "{end_date}", "disabled": true } ] } }, "response": [] }, { "name": "Offramp Config", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/sell/config", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "sell", "config" ] } }, "response": [] }, { "name": "Offramp Options", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/sell/options?country=US", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "sell", "options" ], "query": [ { "key": "country", "value": "US" } ] } }, "response": [] }, { "name": "Offramp Quote", "request": { "method": "POST", "header": [], "body": { "mode": "raw", "raw": "{\n \"sell_currency\": \"ETH\",\n \"sell_amount\": \"10.00\",\n \"cashout_currency\": \"USD\",\n \"payment_method\": \"FIAT_WALLET\",\n \"country\": \"US\"\n}", "options": { "raw": { "language": "json" } } }, "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/sell/quote", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "sell", "quote" ] } }, "response": [] }, { "name": "Offramp Transaction Status", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/sell/user/{partner_user_id}/transactions?page_key={next_page_key}&page_size={page_size}", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "sell", "user", "{partner_user_id}", "transactions" ], "query": [ { "key": "page_key", "value": "{next_page_key}" }, { "key": "page_size", "value": "{page_size}" } ] } }, "response": [] }, { "name": "Offramp Transactions", "request": { "method": "GET", "header": [], "url": { "raw": "https://api.developer.coinbase.com/onramp/v1/sell/transactions?page_key={next_page_key}&page_size={page_size}&start_date={start_date}&end_date={end_date}", "protocol": "https", "host": [ "api", "developer", "coinbase", "com" ], "path": [ "onramp", "v1", "sell", "transactions" ], "query": [ { "key": "page_key", "value": "{next_page_key}" }, { "key": "page_size", "value": "{page_size}" }, { "key": "start_date", "value": "{start_date}" }, { "key": "end_date", "value": "{end_date}" } ] } }, "response": [] } ], "auth": { "type": "bearer", "bearer": [ { "key": "token", "value": "{{token}}", "type": "string" } ] }, "event": [ { "listen": "prerequest", "script": { "type": "text/javascript", "exec": [ "// Set up globals", "var navigator = {};", "var window = {};", "var exports = {};", "var module = {exports: {}};", "var process = {env: {}};", "var Buffer = function() {", " var args = Array.prototype.slice.call(arguments);", " return require('buffer').Buffer.apply(this, args);", "};", "Buffer.from = function(data, encoding) {", " if (encoding === 'binary') {", " var bytes = new Uint8Array(data.length);", " for (var i = 0; i < data.length; i++) {", " bytes[i] = data.charCodeAt(i);", " }", " return bytes;", " }", " return require('buffer').Buffer.from(data, encoding);", "};", "Buffer.prototype.toString = function(encoding) {", " return require('buffer').Buffer.prototype.toString.call(this, encoding);", "};", "", "// TextEncoder polyfill", "if (typeof TextEncoder === 'undefined') {", " TextEncoder = function() {};", " TextEncoder.prototype.encode = function(str) {", " var utf8 = [];", " for (var i = 0; i < str.length; i++) {", " var charcode = str.charCodeAt(i);", " if (charcode < 0x80) utf8.push(charcode);", " else if (charcode < 0x800) utf8.push(0xc0 | (charcode >> 6), 0x80 | (charcode & 0x3f));", " else if (charcode < 0xd800 || charcode >= 0xe000) utf8.push(0xe0 | (charcode >> 12), 0x80 | ((charcode>>6) & 0x3f), 0x80 | (charcode & 0x3f));", " else {", " i++;", " charcode = 0x10000 + (((charcode & 0x3ff)<<10) | (str.charCodeAt(i) & 0x3ff));", " utf8.push(0xf0 | (charcode>>18), 0x80 | ((charcode>>12) & 0x3f), 0x80 | ((charcode>>6) & 0x3f), 0x80 | (charcode & 0x3f));", " }", " }", " return new Uint8Array(utf8);", " };", "}", "", "// Utils", "function base64ToUint8Array(base64) {", " let paddedBase64 = base64;", " while (paddedBase64.length % 4 !== 0) paddedBase64 += '=';", " paddedBase64 = paddedBase64.replace(/[^A-Za-z0-9+/=]/g, '');", " const binString = atob(paddedBase64);", " const bytes = new Uint8Array(binString.length);", " for (let i = 0; i < binString.length; i++) bytes[i] = binString.charCodeAt(i);", " return bytes;", "}", "", "function base64UrlEncode(str) {", " let base64;", " if (typeof str === 'string') {", " base64 = btoa(unescape(encodeURIComponent(str)));", " } else {", " let binary = '';", " let bytes = new Uint8Array(str);", " for (let i = 0; i < bytes.byteLength; i++) binary += String.fromCharCode(bytes[i]);", " base64 = btoa(binary);", " }", " return base64.replace(/\\+/g, '-').replace(/\\//g, '_').replace(/=/g, '');", "}", "", "function hexToUint8Array(hexString) {", " return new Uint8Array(hexString.match(/.{1,2}/g).map(byte => parseInt(byte, 16)));", "}", "", "// Get key and name", "var rawKey = pm.environment.get(\"privateKey\");", "var name = JSON.parse(pm.environment.get(\"name\"));", "var isECKey = typeof rawKey === 'string' && rawKey.includes(\"-----BEGIN EC PRIVATE KEY-----\");", "", "// Always generate a fresh timestamp", "var timestamp = Math.floor(Date.now() / 1000);", "", "// Create header", "var header = {", " alg: isECKey ? \"ES256\" : \"EdDSA\",", " typ: \"JWT\",", " kid: name,", " nonce: timestamp.toString()", "};", "", "// Create URI string", "var host = pm.request.url.host;", "var path = pm.request.url.path;", "var uri = pm.request.method + \" \" + host.join(\".\") + \"/\" + path.join(\"/\");", "", "// Create payload", "var payload = {", " iss: \"coinbase-cloud\",", " nbf: timestamp,", " exp: timestamp + 120,", " sub: name,", " uri", "};", "", "if (isECKey) {", " // ES256 signing", " eval(pm.environment.get(\"jsrsasign-js\"));", " var privateKey = JSON.parse(rawKey);", " var sHeader = JSON.stringify(header);", " var sPayload = JSON.stringify(payload);", " var prvKey = KEYUTIL.getKey(privateKey);", " var jwt = KJUR.jws.JWS.sign(\"ES256\", sHeader, sPayload, prvKey);", " pm.environment.set(\"token\", jwt);", "} else {", " // Ed25519 signing", " const CryptoJS = require('crypto-js');", " eval(pm.environment.get(\"noble_ed25519\"));", " ", " if (!exports.utils) exports.utils = {};", " exports.utils.sha512 = async function(data) {", " const wordArray = CryptoJS.lib.WordArray.create(data);", " const hash = CryptoJS.SHA512(wordArray);", " const hexString = hash.toString(CryptoJS.enc.Hex);", " const result = new Uint8Array(hexString.length / 2);", " for (let i = 0; i < hexString.length; i += 2) result[i / 2] = parseInt(hexString.substr(i, 2), 16);", " return result;", " };", " ", " async function signWithEd25519(message, privateKey) {", " const messageBytes = new TextEncoder().encode(message);", " const hash = CryptoJS.SHA512(CryptoJS.lib.WordArray.create(new Uint8Array([...messageBytes, ...privateKey])));", " const hexString = hash.toString(CryptoJS.enc.Hex);", " const result = new Uint8Array(hexString.length / 2);", " for (let i = 0; i < hexString.length; i += 2) result[i / 2] = parseInt(hexString.substr(i, 2), 16);", " return result.slice(0, 64);", " }", " ", " var encodedHeader = base64UrlEncode(JSON.stringify(header));", " var encodedPayload = base64UrlEncode(JSON.stringify(payload));", " var message = encodedHeader + \".\" + encodedPayload;", " ", " // Use pm.sendRequest to block until async completion", " pm.sendRequest({", " url: 'https://postman-echo.com/delay/0.3', // Dummy URL", " method: 'GET'", " }, function(err, res) {", " // This callback will execute after the delay, forcing Postman to wait", " // Process in synchronous code now", " (async function() {", " try {", " let privateKey = rawKey;", " ", " if (typeof privateKey === 'string') {", " // Remove quotes if present", " if (privateKey.startsWith('\"') && privateKey.endsWith('\"')) {", " privateKey = privateKey.substring(1, privateKey.length - 1);", " }", " ", " // Handle URL-safe base64", " const standardBase64 = privateKey.replace(/-/g, '+').replace(/_/g, '/');", " const privateKeyBytes = base64ToUint8Array(standardBase64);", " const keyToUse = privateKeyBytes.length > 32 ? privateKeyBytes.slice(0, 32) : privateKeyBytes;", " ", " let signatureBytes;", " try {", " signatureBytes = await exports.sign(new TextEncoder().encode(message), keyToUse);", " } catch (signError) {", " signatureBytes = await signWithEd25519(message, keyToUse);", " }", " ", " const jwt = message + \".\" + base64UrlEncode(signatureBytes);", " pm.environment.set(\"token\", jwt);", " }", " } catch (error) {}", " })();", " });", "} " ] } }, { "listen": "test", "script": { "type": "text/javascript", "exec": [ "" ] } } ] }