Docs · SDK reference

Read the chart.
Then take the sight.

Name: SXTNT
Author: SXTNT

The SXTNT SDK is a thin wrapper around a small JSON-RPC. Use it from TypeScript, Rust, or any language with an HTTP client. The same job payload works across all three schemes.

Getting started

Install the SDK, set an API key (claim one on /compute with a Solana wallet), and submit a folded job. Three steps.

1 · Install

npm install @sxtnt/sdk
# or
pnpm add @sxtnt/sdk

2 · Make a client

"text-sightline">import { Sxtnt } "text-sightline">from "@sxtnt/sdk";

"text-sightline">export "text-sightline">const sx = "text-sightline">new Sxtnt({
  apiKey: process.env.SXTNT_API_KEY!,
});

3 · Submit a job

"text-sightline">const job = "text-sightline">await sx.compute.submit({
  template: "tinyllama-attest",
  scheme: "hypernova",
  input: { prompt: "Few stars. Whole position." },
});

"text-sightline">const verified = "text-sightline">await job.waitForVerification();
console.log("proof", verified.proofSizeKb, "KB");
console.log("solana sig", verified.solanaSignature);

API reference

POST/folding/simulate

Body: { subProofs: number, scheme: 'nova' | 'supernova' | 'hypernova' }
Returns: FoldingSimulationResult
Note: Read-only — no API key. Used by the folding visualizer.

POST/compute/jobs

Body: { template: string, scheme: Scheme, input: any }
Returns: { jobId: string, status: 'queued' }
Note: Requires Authorization: Bearer <api key>.

GET/compute/jobs/:jobId

Returns: { jobId, status, proofSizeKb?, solanaSignature?, foldCount? }
Note: Long-poll friendly with status=verified terminal state.

GET/marketplace/templates

Returns: MarketplaceTemplate[]
Note: Public listing of all circuits available on the marketplace.

Folding schemes compared

Pick the scheme that matches your circuit shape. SXTNT exposes the same SDK call across all three; only the scheme field changes.

Scheme	Best for	Fold ms / proof	Final size	Notes
Nova	Uniform circuits, single step type.	12 ms	24 KB	Foundational scheme. Relaxed-R1CS folding.
SuperNova	Non-uniform — multiple step types.	8.5 ms	28 KB	Switches circuits per step, saves columns.
HyperNova	Custom constraints, highest compression.	6.2 ms	32 KB	CCS over Plonkish. Smallest accumulator.

Examples

Verifiable LLM attest

Fold token-by-token TinyLlama inference and attest the transcript.

"text-sightline">const job = "text-sightline">await sx.compute.submit({
  template: "tinyllama-attest",
  scheme: "hypernova",
  input: { prompt: "Few stars. Whole position." },
});

"text-sightline">const verified = "text-sightline">await job.waitForVerification();
console.log("proof", verified.proofSizeKb, "KB");
console.log("solana sig", verified.solanaSignature);

Cross-chain header bundle

Fold a thousand light-client headers in one accumulator.

"text-sightline">const job = "text-sightline">await sx.compute.submit({
  template: "tmpl-lc-eth",
  scheme: "hypernova",
  input: { fromSlot: 8_400_000, count: 1024 },
});

"text-sightline">const v = "text-sightline">await job.waitForVerification();
solanaProgram.send(v.proof, v.publicInputs);