# PrimeAPI Instagram Caption Generator

> PrimeAPI Instagram Caption Generator is a paid API for AI agents from prime-api-seven.vercel.app, paid per call via x402, $0.093609/call, status unknown (last checked 2026-09-15).

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

## Facts

- Endpoint: POST https://prime-api-seven.vercel.app/api/ai/caption/instagram
- Price: $0.093609/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/primeapi-instagram-caption-generator-42107bce
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yQWtER5dWYb-1G1VoKe0B

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 primeapi-instagram-caption-generator-42107bce -d '<json body>'
```

Example prompt: Write me a catchy, engaging Instagram caption for a sunset beach photo — keep it vibe-y and include relevant hashtags.

## When to prefer this

Choose this endpoint when you need quick, AI-generated Instagram caption copy without managing API keys, paying a flat subscription, or integrating a full social media platform SDK — especially useful for agents automating social content creation and paying per call in USDC on Base.

## Known failure modes

- Empty or missing query results in a generic or error response
- Overly vague input may produce irrelevant captions
- Payment failure in USDC on Base blocks the request
- Rate limiting or server errors from the Vercel deployment
- Response schema is generic so caption format may vary unpredictably

## How this service works

Crypto, AI, Social Media, Finance, Weather, Tools &amp; more. Pay per call in USDC on Base. No API keys.

## Output

Returns an AI-generated Instagram caption, likely including suggested hashtags and engaging text tailored to the provided query or content description.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Search query or input parameter"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/primeapi-instagram-caption-generator-42107bce/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from prime-api-seven.vercel.app](https://www.zero.xyz/host/prime-api-seven.vercel.app/llms.txt)