# OmniAPI Instagram Caption Generator

> OmniAPI Instagram Caption Generator is a paid API for AI agents from omni-api-cyan.vercel.app, paid per call via x402, $0.123132/call, status unknown (last checked 2026-09-14).

Generates AI-written captions for Instagram posts based on a user-provided query or description

## Facts

- Endpoint: POST https://omni-api-cyan.vercel.app/api/ai/caption/instagram
- Price: $0.123132/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/omniapi-instagram-caption-generator-627a4425
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_EuUbdOq937AHoP8g9wl2U

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability omniapi-instagram-caption-generator-627a4425 -d '<json body>'
```

Example prompt: Write me an engaging Instagram caption for a photo of a golden hour beach sunset — make it feel dreamy and aspirational, and include a few relevant hashtags.

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call AI-generated Instagram caption without committing to a subscription. It's well-suited for agents automating social media workflows or content pipelines that need Instagram-specific copy on demand, billed in USDC via x402.

## Known failure modes

- Missing required 'query' field returns a validation error
- Vague or empty query may produce a generic or low-quality caption
- Payment failure via x402 results in a 402 Payment Required response before the caption is generated
- Server errors on the Vercel deployment may return 500 responses
- Overly long or complex queries may be truncated or misinterpreted

## How this service works

444 endpoints across 9+ chains. Crypto, AI, Social, Finance, Weather, Tools. Pay per call in USDC via x402 with 4 facilitators: Dexter, Meridian, FluxA, GoPlausible.

## Output

Returns a generated Instagram caption string tailored to the input query, typically including suggested hashtags and an engaging, platform-appropriate tone suited for Instagram audiences.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "input": {
   "type": "string",
   "description": "Input data for the endpoint"
  },
  "query": {
   "type": "string",
   "description": "Search query or input text"
  },
  "params": {
   "type": "object",
   "description": "Additional parameters"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "description": "API response data"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/omniapi-instagram-caption-generator-627a4425/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from omni-api-cyan.vercel.app](https://www.zero.xyz/host/omni-api-cyan.vercel.app/llms.txt)
