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Market Intelligence API – Buy Prepaid Credit Pack
x402
Market Intelligence API – Buy Prepaid Credit Pack is a paid API for AI agents from api.marketintelligenceapi.com, paid per call via x402, $5/call, status unknown (last checked 2026-10-13).
Purchase a prepaid API credit pack ($5, $20, or $50) with a one-time payment and receive an API key for accessing paid market intelligence endpoints without per-call x402 payments.
Price / call$5
Success—
StatusUnknown
How this service works
Prepaid API credits and API key for clients that cannot sign an x402 payment per call (most MCP clients): one payment buys credit ($5, $20 = $22 credit, $50 = $60) and returns an API key. Send it as X-API-Key on any paid route or MCP tool; each call costs its x402 price and failed calls are refunded. With your key in X-API-Key it tops that key up.
Output
Returns an API key that can be sent as X-API-Key on any paid Market Intelligence API route or MCP tool. The key carries a credit balance equal to the purchased pack value (e.g. $20 pack = $22 credit, $50 pack = $60 credit). Each subsequent paid API call deducts its x402 price from the balance; failed calls are refunded. If an existing API key is provided, the balance is topped up instead of issuing a new key.
Example use cases
Bootstrap agent with market data credits
“I need my AI agent to start pulling crypto and stock prices right away — buy a $5 credit pack on the Market Intelligence API and give me the API key it returns.”
Top up existing key with bulk discount
“Top up my existing Market Intelligence API key with the $50 credit pack so I get the $60 credit value — I want the best discount available.”
Onboard MCP client without per-call payments
“My MCP client can't do x402 payments on each call, so buy a $20 credit pack on the Market Intelligence API and return the API key I can set as X-API-Key for all my market data requests.”
Technical details
Endpoint
GEThttps://api.marketintelligenceapi.com/api/v1/credits/buy/:usd?utm_source=zero.xyzWhen to prefer
Use this endpoint when the calling client (especially MCP clients) cannot perform x402 per-call micropayments and needs a prepaid credit pool. Also prefer this when you want volume discounts ($20 → $22 credit, $50 → $60 credit) or want to avoid payment overhead on every individual market data call. If you can handle x402 per-call payments natively, you may call paid routes directly instead.
Side effects
- Payment not received or insufficient USDC — no key returned, payment not processed
- Invalid usd path parameter (not 5, 20, or 50) — request rejected
- Network or provider error during payment processing — may require retry
- Existing key not found when attempting top-up — new key may be issued instead
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| outputrequired | object |
Tags
x402
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