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Go SDK for TypeSafe AI.
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TypeSafe SDK Go — dwisiswant0
Go client for the TypeSafe API with typed question and answer types, per-request model and timeout overrides, request-body passthrough for fields the SDK does not model, and slog diagnostics that exclude bodies and credentials.
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- 1
- Language
- Go
- License
- APACHE-2.0
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- Author
- dwisiswant0
- Last verified
- Oct 2026
This is one of several Jev listings for the same project. The canonical entry is TypeSafe SDK Go — Tangerg.
About this project
The module uses Go 1.27.1+. Install the SDK with: Set TYPESAFEAPIKEY before running the example. Create a client once and reuse it for later requests: Give each question a name in the Questions map. The response uses the same name for its answer. A request can combine all three question types:
Quoted from the project's README. Read the full README.
Works forJev for Classification
Used inJev for Software & DevTools
- Languages
- Go
Highlights
- Go 1.27.1 or newer, installed as go.dw1.io/typesafe-sdk-go, with noul, choice and score questions in one call.
- Unknown answer types survive as *UnknownAnswer with their original JSON, and the raw response body stays reachable.
- Token counts are *int64, so a nil pointer means the server omitted the count while a pointer to zero means zero tokens.
- Retries cover connection failures, interrupted bodies, timeouts, 408, 429 and 5xx including 529, capped at three attempts.
Watch out
The SDK encodes each request once and resends identical bytes on every attempt, so retrying after a connection failure can incur duplicate usage — the README says to disable retries if that is unacceptable for your application. The per-attempt timeout does not bound the overall retry budget; a context deadline is what limits total time, and a custom http.Client.Timeout adds a further independent limit. All HTTP redirects are rejected, including when you supply your own HTTPClient, so a gateway that answers with a redirect will simply fail. Debug logging records method, endpoint path, attempt number, status, duration and request ID, but a logged attempt record does not mean the response decoded successfully. Copy reviewed against the repository README on 2026-10-04, not from running it.
Questions about this entry
Short answers drawn from the linked project or page.
So that unset and explicitly zero are different. A nil MaxRetries uses the default of two retries, while a pointer to zero disables retries entirely. The same convention applies to token counts, where a nil *int64 means the server omitted the count or returned null and a pointer to zero means the server genuinely reported zero. The token config route also gives you a 16 MiB decompressed response cap and an optional slog logger.
You can be billed twice. The request is encoded once and the same bytes are sent on every attempt, so a connection failure after the server processed the call leaves you with no idea whether it landed. The README is direct about it and suggests disabling retries if duplicate usage is unacceptable. Per-call options WithTimeout, WithMaxRetries and WithHeaders apply to a single call without touching client config.
Yes, Config.BaseURL takes a gateway path prefix and falls back to TYPESAFE_BASE_URL then the default host, with the value expected to be the API root without /v1. The SDK trims environment values and ignores blank ones. It refuses URLs containing credentials, query parameters or fragments, and it rejects all redirects so it cannot forward credentials or state to another endpoint.
Three escape hatches. RawQuestion takes a complete JSON question with extra fields and requires an exact "type" key with a nonempty string value. SystemOneRequest.ExtraBody adds top-level fields including nulls but cannot replace state, model or questions. And unrecognised answers come back as *UnknownAnswer with their original JSON preserved, with the full raw body available for anything else the SDK does not model.
Config.APIKey comes from TYPESAFE_API_KEY, BaseURL from TYPESAFE_BASE_URL then https://api.typesafe.ai, DefaultModel is jev-latest, and the defaults are a 10-second per-attempt timeout, two retries, and a 16 MiB cap on decompressed response data.
response.Answers is keyed by the question name you supplied, and you read it with a type assertion or type switch to *NoulAnswer, *ChoiceAnswer, or *ScoreAnswer; a failed assertion usually means the name is missing or the answer type differed.
Set Config.Logger with a *slog.Logger at LevelDebug and each HTTP attempt records the method, endpoint path, attempt number, status code, duration, and request ID; bodies, credentials, full URLs, and raw headers other than the request ID are excluded.
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