Quickstart

1go get github.com/vango-go/vai-go

1package main
2
3import (
4    "context"
5    "fmt"
6    "log"
7    "os"
8
9    "github.com/vango-go/vai-go"
10)
11
12func main() {
13    client := vai.NewClient(
14        vai.WithAPIKey(os.Getenv("VAI_API_KEY")),
15    )
16
17    result, err := client.Runs.Execute(context.Background(), vai.RunCreateParams{
18        Blocks: []vai.BlockParam{
19            vai.TextInput("What is the VAI protocol?"),
20        },
21        Routing: &vai.RoutingParam{Model: "gpt-5.4"},
22    })
23    if err != nil {
24        log.Fatal(err)
25    }
26
27    fmt.Println(result.Text())
28}

1// Continue in the same session — context is automatic
2resp2, err := client.Runs.Execute(ctx, vai.RunCreateParams{
3    SessionID: vai.String("sess_123"),
4    Blocks: []vai.BlockParam{
5        vai.TextInput("Can you give me a code example?"),
6    },
7})

1stream := client.Runs.Stream(ctx, vai.RunCreateParams{
2    Blocks: []vai.BlockParam{
3        vai.TextInput("Write a haiku about distributed systems"),
4    },
5})
6defer stream.Close()
7
8for stream.Next() {
9    switch event := stream.Event().(type) {
10    case *vai.ResponseDeltaEvent:
11        fmt.Print(event.Delta)
12    }
13}
14
15if err := stream.Err(); err != nil {
16    log.Fatal(err)
17}