YepAPI
HiggsfieldImage Generation/v1/media/queue

Higgsfield Soul API

Higgsfield Soul from $0.19 per image — the original Soul model with styles and character references.

The original Higgsfield Soul image model: photoreal, fashion-forward images with styles and custom character references — from $0.19 per image.

No credit card required. Takes 30 seconds.

Soul API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated November 1, 2026.

BillingPrice
Rate (720p)$0.19/image
Rate (1080p)$0.38/image
What it costsPer job
1 imagefrom default size$0.19
100 imagesa product catalog batch$19.00
1,000 imagesa month of app traffic$190.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate an image with Soul.

POST/v1/media/queue
Response
Hit "Send Request" to see the response

Soul specs

ProviderHiggsfield
Model IDhiggsfield/soul
Endpoint/v1/media/queue
TypeImage Generation
Resolutions720p, 1080p
Aspect ratios9:16, 16:9, 4:3, 3:4, 1:1, 2:3, 3:2

How to get a Soul API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call Soul

    Send a request to /v1/media/queue with the x-api-key header and model "higgsfield/soul".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Styles

Choose a look with `style_id` and `style_strength` in `options.params`.

✓
Custom references

Keep a trained character consistent with `custom_reference_id` and `custom_reference_strength`.

✓
Seven aspect ratios

9:16, 16:9, 4:3, 3:4, 1:1, 2:3, and 3:2 at 720p or 1080p.

✓
Per-image pricing

$0.19 at 720p and $0.38 at 1080p.

Quick start

Copy this snippet and start making calls with Soul.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "higgsfield/soul",
    "prompt": "Street-style photo of a man in an oversized denim jacket crossing a crosswalk at golden hour, motion in the crowd behind, candid fashion photography",
    "options": {
      "aspectRatio": "1:1",
      "resolution": "720p"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Soul vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
SoulHiggsfieldfrom $0.19/image (720p), $0.38/image (1080p)
Soul 2Higgsfieldfrom $0.01/image (720p), $0.02/image (1080p)
AI InfluencerHiggsfield$0.10/image
Marketing Studio ImageHiggsfieldfrom $0.38/image (1K), $0.75/image (2K), $1.23/image (4K)
FLUX 3 Image KleinBlack Forest Labsfrom $0.02/image
GPT Image 2OpenAIfrom $0.02/image
GPT Image 1 MiniOpenAIfrom $0.02/image
GPT-5.4 Image 2OpenAIfrom $0.02/image

Why use Soul through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

Higgsfield Soul API — photoreal fashion images

Higgsfield Soul is the original Soul image model, known for photoreal, fashion-forward images of people. It supports a library of styles and custom character references so the same person can appear across a set.

On YepAPI it is `higgsfield/soul` (alias `soul`) on `/v1/media/queue`, at $0.19 per image at 720p or $0.38 at 1080p. For most new work, Soul 2 is cheaper at $0.01 per image.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

The original Higgsfield Soul image model: photoreal, fashion-forward images with styles and custom character references — from $0.19 per image.

Soul costs from $0.19/image (720p), $0.38/image (1080p) through YepAPI, billed per request with no monthly fee. For example, a 1 image (from default size) costs about $0.19.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Soul and every other model — no separate Higgsfield account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Soul without a card. After that you pay per request at the rates above — there is no subscription.

Use "higgsfield/soul" as the model on /v1/media/queue. The short alias "soul" also works.

Ready to use Soul?

$5 free credit on signup. No credit card required. Pay per call.

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