REST API · 3D Generation · Live

t23d API vs Rodin — Text-to-3D API Compared

When evaluating the t23d API vs Rodin, the clearest difference is the access model: Rodin (Hyper3D) requires a paid Business plan before you can make a single API call. PixelAPI's t23d API — the AI 3D model generator — is pure pay-as-you-go at $0.010 per model with no subscription required. Send a text prompt, get back a production-ready GLB file. 5,000 free trial credits (7 days), no credit card.

$0.010 / model 60–90s typical 5,000 free credits (7-day trial) No subscription required GLB output 500-char prompts
Get an API key (free) Quick start See pricing API docs

Quick start — text to 3D in one API call

Sign up, copy your key from the dashboard, and POST your text prompt. The endpoint returns a job_id immediately — no waiting on a hanging connection. Poll GET /v1/3d/text-status/{job_id} until status=completed, then download the GLB from output_url. Typical generation: 60–90 seconds. No subscription or Business plan needed.

# Step 1 — submit prompt
curl -X POST https://api.pixelapi.dev/v1/3d/text-generate \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -F "prompt=a red ceramic vase with geometric patterns" \
  -F "resolution=256"
# Response: {"id":"uuid","status":"queued","credits_used":10,"estimated_seconds":75,"poll_url":"/v1/3d/text-status/uuid"}

# Step 2 — poll until completed
curl https://api.pixelapi.dev/v1/3d/text-status/UUID \
  -H "Authorization: Bearer YOUR_API_KEY"
# Response: {"id":"uuid","status":"completed","output_url":"https://..."}
pip install pixelapi
---
from pixelapi import PixelAPI

client = PixelAPI(api_key="YOUR_API_KEY")
job = client.text_to_3d(
    prompt="a red ceramic vase with geometric patterns",
    resolution=256
)
job.wait()            # polls automatically
job.save("vase.glb")  # downloads GLB when completed
npm install pixelapi
---
import { PixelAPI } from "pixelapi";

const client = new PixelAPI({ apiKey: process.env.PIXELAPI_KEY });
const job = await client.textTo3d({
  prompt: "a red ceramic vase with geometric patterns",
  resolution: 256,
});
await job.wait();           // polls until completed
await job.save("vase.glb"); // saves GLB locally
composer require pixelapi/pixelapi
---
<?php
use PixelAPI\Client;

$client = new Client(getenv("PIXELAPI_KEY"));
$job = $client->textTo3d([
    "prompt"     => "a red ceramic vase with geometric patterns",
    "resolution" => 256,
]);
$job->wait();
file_put_contents("vase.glb", $job->getBody());
gem install pixelapi
---
require "pixelapi"

client = PixelAPI::Client.new(api_key: ENV["PIXELAPI_KEY"])
job = client.text_to_3d(
  prompt: "a red ceramic vase with geometric patterns",
  resolution: 256
)
job.wait
File.binwrite("vase.glb", job.body)
go get github.com/pixelapi/pixelapi-go
---
import "github.com/pixelapi/pixelapi-go"

client := pixelapi.New("YOUR_API_KEY")
job, err := client.TextTo3D(pixelapi.TextTo3DParams{
    Prompt:     "a red ceramic vase with geometric patterns",
    Resolution: 256,
})
if err != nil { panic(err) }
job.Wait()
job.Save("vase.glb")

t23d API vs Rodin — Pricing comparison

The most important difference when comparing the t23d API vs Rodin is not just cost per model — it is whether you need a subscription at all. Rodin (Hyper3D) gates its REST API behind a Business plan ($30+/month). PixelAPI exposes the same text-to-3D capability as a pure REST endpoint with per-call billing from the very first credit. For developers building small tools, prototypes, or sporadic pipelines, the subscription requirement alone makes Rodin a poor fit.

ProviderAPI access requirementPer-model priceFree tierOutput format
PixelAPI (t23d API) None — pure pay-as-you-go $0.010 5,000 credits (7-day trial), no card GLB
Rodin (Hyper3D) Business plan required ($30+/mo) See hyper3d.ai/pricing Preview only (no API) GLB · FBX · OBJ
Tripo3D Account registration $0.10+ per model Limited free credits on signup GLB · FBX · OBJ · USDZ
Meshy Account registration See docs.meshy.ai/en/api/pricing Limited (see site) GLB · FBX · OBJ · USDZ · STL
Luma Genie Subscription tiers See lumalabs.ai/pricing Subscription-gated GLB · USDZ

Rodin pricing verified from hyper3d.ai/pricing, October 2026. Tripo3D pricing from developers.tripo3d.ai/en/pricing. PixelAPI price from canonical pricing audit (cheapest rival: Meshy @ $0.02/model → PixelAPI target $0.010). Meshy and Luma use credit/subscription models — per-call rates sourced from each provider's public pricing page.

Why developers switch from Rodin to PixelAPI

Three reasons come up repeatedly when teams move from Rodin to PixelAPI's AI 3D model generator:

No subscription lock-in

Rodin requires a Business plan ($30+/mo) before your first API call. PixelAPI is pure pay-as-you-go — buy credits when you need them and use them anytime. No recurring charge, no minimum commitment.

Transparent per-call billing

$0.010 per generated 3D model, every time. No credit packages, no tier-based price jumps, no hidden rate differences by plan. What you see in the pricing table is what you pay on the first call and the millionth.

Immediate free trial

5,000 free trial credits (7 days) with no credit card required. Test 500 text-to-3D models before committing to anything. Rodin's free tier gives preview access only — no API until you upgrade.

Multi-language SDKs included

Official SDKs for Python, Node.js, PHP, Ruby, and Go handle authentication, async polling, exponential-backoff retries on 429, and binary file downloads automatically. No glue code needed.

Async job model

POST returns a job_id immediately — no hanging open HTTP connections. Poll at your own cadence. Safe for serverless, edge functions, and any environment where long-lived connections are a problem.

Auto-refund on failure

If a generation fails the output quality check, credits are refunded automatically. You never pay for a broken or empty mesh — the pipeline validates the result before marking the job complete.

What you get back

Every successful text to 3D call returns a single output_url pointing to a complete GLB file, plus a job_id you can use to re-fetch or audit the asset.

GLB — binary glTF, industry standard

Loads directly into Unity, Unreal Engine, Blender, Three.js, Babylon.js, and every major WebXR framework. One self-contained file — no companion texture files or material definitions needed alongside it.

Resolution control

Pass resolution=128 (default, faster) for rapid prototyping or resolution=256 for higher-detail meshes needed in game assets, 3D printing, or close-up renders.

Async job model — no connection timeouts

The POST returns a job_id immediately — no hanging open connections that time out at 30s on serverless or edge platforms. Poll GET /v1/3d/text-status/{id} on your own schedule. SDKs handle polling automatically.

Automatic credit refund on failure

If a generation fails the output quality check, credits are refunded automatically. Poll the status endpoint to confirm — status=failed means credits were returned. You never pay for a broken result.

Common workflows for the text-to-3D API

The t23d API fits naturally into pipelines across game development, VR/AR content, 3D printing, and film VFX. Each integration is a few lines of code on top of the same REST endpoint.

Game asset pipelines

Generate props, items, and environment objects from design descriptions. Feed GLB files directly into Unity's Asset Importer or Unreal's import pipeline. Scale from one model to thousands without 3D artist bottlenecks.

VR/AR content creation

Text-to-3D GLBs load into WebXR scenes (Three.js, Babylon.js, A-Frame), Apple Vision Pro via Reality Composer, and Android ARCore via Scene Viewer. Generate scene objects from user-authored descriptions at runtime.

3D printing prep

Use the GLB as a starting mesh in Blender or slicing software. Resolution-256 meshes export cleanly for FDM and SLA printers at standard object sizes. Iterate rapidly from text to print without manual modeling.

Film & VFX previsualization

Rapidly prototype set dressing and props from script descriptions. Import GLBs into DCC tools for director review before committing to hand-modeled hero assets. Speeds up previs by orders of magnitude.

E-commerce 3D product cards

Generate placeholder 3D models from product descriptions for WebGL product viewers. Replace with production meshes when available, or use directly for lower-priority SKUs where manual modeling cost is hard to justify.

Education & training sims

Auto-generate 3D objects for interactive lesson content, lab simulations, and training environments — no 3D artist needed per asset. Scale to entire curricula programmatically from structured content.

More workflows: all industries →

Integrations & SDKs

Shopify

Auto-generate 3D product models from listing descriptions via webhook.

BigCommerce

3D asset generation integrated into the BC product catalog API.

WooCommerce

WordPress plugin pattern for on-demand 3D model generation.

Zapier

No-code 3D generation trigger for content pipelines.

Wix

3D model cards for Wix stores via Velo API + PixelAPI.

Magento

Adobe Commerce / Magento 2 plugin for catalog 3D generation.

Comparison vs alternatives

vs Rodin (Hyper3D)

Rodin requires a $30+/mo Business plan for API access. PixelAPI is pure pay-as-you-go from $0.010/model — no subscription, no minimum spend.

vs Tripo3D

Tripo3D charges $0.10+ per model at pay-as-you-go. PixelAPI is 10× cheaper at $0.010/model with the same GLB output and a 7-day free trial.

vs Meshy

Meshy offers more output formats (STL, USDZ, FBX). PixelAPI offers transparent per-call pricing without subscription tiers or credit bundles.

vs Luma Genie

Luma bundles 3D generation inside a subscription platform. PixelAPI exposes it as a standalone REST endpoint with no platform lock-in.

Rate limits & error handling

The text-to-3D API is rate-limited per plan. 3D generation is compute-intensive — limits keep latency predictable for all users. When you exceed a limit, the API returns HTTP 429 with a Retry-After header indicating when to retry.

PlanConcurrent 3D jobsRequests / min
Free trial510
Starter2030
Pro5060
Scale100120

Recommended retry strategy: exponential backoff starting at 5s, doubling on each 429 up to 60s. Python and Node.js SDKs handle this automatically.

# Python SDK — auto-retries 429 with backoff
from pixelapi import PixelAPI
client = PixelAPI(api_key="...", max_retries=4)
job = client.text_to_3d(prompt="a red ceramic vase")  # auto-retries on 429
job.wait()
job.save("vase.glb")

If a generation fails server-side, the job returns status=failed with an error_message. Credits are automatically refunded — poll the status endpoint to confirm status=failed before treating the credit as lost.

Frequently asked questions

What is the t23d API?

The t23d API (text-to-3D API) is PixelAPI's REST endpoint for generating 3D models from plain-text prompts. POST your description to POST /v1/3d/text-generate, receive a production-ready GLB file. No 3D modeling software or specialized pipeline required — one HTTP call does it all.

How does the PixelAPI t23d API compare to Rodin (Hyper3D)?

The most important difference is that Rodin requires a Business plan ($30+/month) before you can make your first API call. PixelAPI's t23d API is pure pay-as-you-go — $0.010 per model with no subscription required. Both generate GLB-format 3D models from text prompts. PixelAPI includes a 7-day / 5,000-credit free trial with no credit card, while Rodin's free tier is preview-only with no API access.

What does the text-to-3D API cost?

$0.010 per generated 3D model (10 credits × $0.001/credit). New accounts receive 5,000 free credits across a 7-day trial window — enough for 500 test models before any purchase. No subscription required. See pixelapi.dev/pricing for full plan details.

Do I need a subscription to use the t23d API?

No. PixelAPI is pure pay-as-you-go — buy credits when you need them, use them on any tool at any time. Rodin (Hyper3D) gates its REST API behind a Business plan ($30+/month); there is no pay-as-you-go API access. With PixelAPI, start with 5,000 free trial credits, then top up as needed — no recurring charge until you choose one.

What output format does the 3D API return?

GLB (binary glTF), the industry-standard mesh format. GLB is natively supported in Unity (drag-and-drop), Unreal Engine (Datasmith import), Blender, Three.js, Babylon.js, AR Quick Look (iOS), and Scene Viewer (Android). It's also compatible with standard 3D printing slicer software after mesh repair.

How do I generate a 3D model from text via API?

POST your prompt to https://api.pixelapi.dev/v1/3d/text-generate with form fields prompt (your text description) and optionally resolution (128 or 256). The response returns a job_id immediately. Poll GET /v1/3d/text-status/{job_id} until status=completed, then download the GLB from output_url. See the Quick Start section above for code in 6 languages.

How long does text-to-3D generation take?

60–90 seconds end-to-end under typical load. The AI 3D generation pipeline derives a visual representation from your text prompt and extracts the 3D mesh. Jobs queue and process immediately with no cold-start delays. If the service is under heavy load, estimated_seconds in the queued response adjusts dynamically.

What is the maximum prompt length?

Prompts must be between 3 and 500 characters. Short, noun-phrase prompts describing a single object produce the cleanest results — for example "a ceramic coffee mug with a blue floral pattern" rather than a full scene description. The API validates prompt length and returns HTTP 400 on out-of-range inputs.

Are there SDKs for the text-to-3D API?

Yes — pip install pixelapi (Python), npm install pixelapi (Node.js), PHP (Composer), Ruby (Gem), and Go (go get). All SDKs handle API key authentication, async polling, exponential-backoff on 429, and binary file download automatically.

What rate limits apply to the text-to-3D API?

5 concurrent jobs / 10 req/min on the free trial; 20/30 on Starter; 50/60 on Pro; 100/120 on Scale. HTTP 429 with Retry-After on overrun. Higher limits for batch pipelines — contact support@pixelapi.dev with your expected volume.

Can I use the API for commercial projects like games or VR apps?

Yes. PixelAPI's paid plans include a commercial-use license for generated 3D assets. The GLB output is import-ready in Unity and Unreal Engine for game development, and loads directly into WebXR frameworks for VR/AR experiences. See pixelapi.dev/terms for full IP ownership terms.

What industries use the text-to-3D API most?

Game developers (props, items, environment objects at scale), VR/AR studios (WebXR scene objects, AR overlays), 3D printing services (rapid prototype mesh generation from descriptions), and film/VFX teams (rapid previsualization from script descriptions). Any team that needs 3D models at volume from text descriptions benefits from the AI 3D generator API.

Start free — 5,000 credits, no card Read full API docs Compare all plans