Zig

Amazon Pay - Get Buyer

See more Amazon Pay Examples

Amazon Pay get buyer details. Zig

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    var success: bool = false;

    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    const http = try chilkat.Http.init();
    defer http.deinit();

    // Implements the following CURL command:

    // curl "https://pay-api.amazon.com/:version/buyers/:buyerToken" \
    //     -X GET
    //     -H "authorization:Px2e5oHhQZ88vVhc0DO%2FsShHj8MDDg%3DEXAMPLESIGNATURE"
    //     -H "x-amz-pay-date:20201012T235046Z"

    // Use the following online tool to generate HTTP code from a CURL command
    // Convert a cURL Command to HTTP Source Code

    // Load your Amazon Pay private key.
    // There are many other ways to load private keys into the Chilkat private key object, such as from different formats,
    // or from in-memory strings or bytes.
    const priv_key = try chilkat.PrivateKey.init();
    defer priv_key.deinit();
    success = if (priv_key.loadPemFile("C:/someDir/myAmazonPayPrivateKey.pem")) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try priv_key.getLastErrorText(alloc)});
        return;
    }

    // Provide your Amazon Pay private key and Public Key ID
    // Use your public key ID here.  It must be the one associated with the private key.
    // Note: The SetAuthPrivateKey method was added in Chilkat v9.5.0.89
    const public_key_id = "SANDBOX-AHEGSJCM3L2S637RBGABLAFW";
    success = if (http.setAuthPrivateKey(public_key_id, priv_key)) true else |_| false;
    if (!success) {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    }

    // Note: When the private key is provided as shown above, Chilkat will automatically add the required x-amz-pay-* headers to the HTTP request,
    // and will also sign the request.  Nothing more is needed.
    // Chilkat automatically generates and adds the following headers:
    //
    // x-amz-pay-date
    // x-amz-pay-host
    // x-amz-pay-region
    // Authorization

    http.setAccept("application/json");

    var resp_status_code: i32 = 0;

    const sb_response_body = try chilkat.StringBuilder.init();
    defer sb_response_body.deinit();
    success = if (http.setUrlVar("buyerToken", "BUYER_TOKEN")) true else |_| false;
    // To use the live system, replace "sandbox" with "live" in the URL passed to QuickGetSb.
    // Also, make sure to use the correct region: pay-api.amazon.com, pay-api.amazon.eu, or pay-api.amazon.jp
    success = if (http.quickGetSb("https://pay-api.amazon.eu/sandbox/v2/buyers/{$buyerToken}", sb_response_body)) true else |_| false;

    // Examine the request header we just sent..
    std.debug.print("{s}\n", .{try http.getLastHeader(alloc)});

    // GET /sandbox/v2/buyers/BUYER_TOKEN HTTP/1.1
    // Host: pay-api.amazon.eu
    // Accept: application/json
    // Accept-Encoding: gzip
    // x-amz-pay-date: 20250822T183232Z
    // x-amz-pay-host: pay-api.amazon.eu
    // x-amz-pay-region: EU
    // Authorization: AMZN-PAY-RSASSA-PSS PublicKeyId=SANDBOX-AF2AGWRNIPHP2S2TUFFBKDGM, SignedHeaders=accept;x-amz-pay-date;x-amz-pay-host;x-amz-pay-region, Signature=TK8gPPid/XN0mSNWpLlCX2AXPE .... dgzxSA+ZYrHt6Yg==

    if (!success) {
        // If the LastStatus is not equal to 0, then we received a response, but it was an error response.
        resp_status_code = http.getLastStatus();
        if (resp_status_code != 0) {
            std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
            // Here is a sample response body for the case where the buyer token does not exist:
            // {"reasonCode":"InvalidBuyerToken","message":"The token provided is expired, revoked, malformed, or invalid for other reasons."}

            std.debug.print("Response body:\n", .{});
            std.debug.print("{s}\n", .{try http.getLastResponseBody(alloc)});
        } else {
            std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        }

        return;
    }

    const j_resp = try chilkat.JsonObject.init();
    defer j_resp.deinit();
    j_resp.loadSb(sb_response_body) catch {};
    j_resp.setEmitCompact(false);

    std.debug.print("Response Body:\n", .{});
    std.debug.print("{s}\n", .{try j_resp.emit(alloc)});

    resp_status_code = http.getLastStatus();
    std.debug.print("Response Status Code = {d}\n", .{resp_status_code});
    // We expect a 200 status code for success.
    // Note: Some Amazon Pay API calls return 200 for success, others return 201.
    if (resp_status_code != 200) {
        std.debug.print("Failed.\n", .{});
        return;
    }

    // Sample JSON response:
    // (Sample code for parsing the JSON response is shown below)

    // {
    //     "name": "John Example",
    //     "email": "johnexample@amazon.com",
    //     "postalCode": "12345",
    //     "countryCode": "US",
    //     "buyerId": "DIRECTEDBUYERID",
    //     "phoneNumber": "1234567811" // default billing address phone number
    //     "shippingAddress": {
    //         "name": "John",
    //         "addressLine1": "15th Street",
    //         "addressLine2": "",
    //         "addressLine3": "",
    //         "city": "Seattle",
    //         "county": "",
    //         "district": "",
    //         "stateOrRegion": "WA",
    //         "country": "USA",
    //         "postalCode": "98121",
    //         "phoneNumber": "1234567899"
    //     },
    //     "billingAddress": null,
    //     "primeMembershipTypes": null
    // }

    // Sample code for parsing the JSON response...
    // Use the following online tool to generate parsing code from sample JSON:
    // Generate Parsing Code from JSON

    _ = try j_resp.stringOf(alloc, "name");
    _ = try j_resp.stringOf(alloc, "email");
    _ = try j_resp.stringOf(alloc, "postalCode");
    _ = try j_resp.stringOf(alloc, "countryCode");
    _ = try j_resp.stringOf(alloc, "buyerId");
    _ = try j_resp.stringOf(alloc, "phoneNumber");
    _ = try j_resp.stringOf(alloc, "shippingAddress.name");
    _ = try j_resp.stringOf(alloc, "shippingAddress.addressLine1");
    _ = try j_resp.stringOf(alloc, "shippingAddress.addressLine2");
    _ = try j_resp.stringOf(alloc, "shippingAddress.addressLine3");
    _ = try j_resp.stringOf(alloc, "shippingAddress.city");
    _ = try j_resp.stringOf(alloc, "shippingAddress.county");
    _ = try j_resp.stringOf(alloc, "shippingAddress.district");
    _ = try j_resp.stringOf(alloc, "shippingAddress.stateOrRegion");
    _ = try j_resp.stringOf(alloc, "shippingAddress.country");
    _ = try j_resp.stringOf(alloc, "shippingAddress.postalCode");
    _ = try j_resp.stringOf(alloc, "shippingAddress.phoneNumber");
    _ = try j_resp.stringOf(alloc, "billingAddress");
    _ = try j_resp.stringOf(alloc, "primeMembershipTypes");
}