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LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models

LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models (Claude, GPT, Gemini, Grok, DeepSeek, Qwen), no API key or account, pay per call in USDC. Call it when an agent needs an LLM answer, a second opinion, or a model it has no key for. SingIt Ask; models at GET /v1/models.

1 route settlement-verified · $0.0015 USDC/request · 1 endpoint · Intelligence · base network · x402 protocol

Verified routes

Other routes are unverified.

Networks: Base (settlement-verified), Solana (accepted)

Discovery is free. Agents search the catalogue here. Payment happens on the listing 402, not on PayAPI.

url https://payapi.market/mcp

Listing facts

Provider
LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models
Hosted at
ask.singitai.app
Category
Intelligence
Price
$0.0015 USDC per request
Payment networks
Base, Solana
Settlement-verified
1 route, last checked 2026-11-01
Listed on PayAPI Market
2026-11-01

Try LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models

Call a verified route without paying first. The server should answer HTTP 402 Payment Required with the price, the USDC asset, the network and the wallet to pay. An x402 client pays that amount on Base and retries with the payment header.

curl -i -X POST "https://ask.singitai.app/v1/chat/completions (provider bazaar example body)"

About this API

LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models is listed in the Intelligence category with pricing at $0.0015 USDC/request. One route has been settlement-verified by PayAPI Market on 2026-11-01. View receipt on Basescan.

Payments settle on base in USDC via the x402 protocol. AI agents discover this API through the PayAPI Market MCP server and pay per request without API keys or accounts.

This API exposes 1 endpoint.

Questions about this API

What does LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models do?

LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models (Claude, GPT, Gemini, Grok, DeepSeek, Qwen), no API key or account, pay per call in USDC. Call it when an agent needs an LLM answer, a second opinion, or a model it has no key for. SingIt Ask; models at GET /v1/models. It is provided by LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models.

How much does LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models cost?

LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models is priced at $0.0015 USDC per request, paid per call with no subscription. Verified with a $0.0015 test payment on 1 Nov 2026. The exact amount for each call is in the HTTP 402 response before any money moves.

Do I need an API key or account to use LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models?

No. LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models uses the x402 protocol, so an agent pays per request in USDC on Base, Solana and gets the response, with no API key, account or signup.

Has LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models been verified?

Yes, 1 route. PayAPI Market paid for a real call from its own wallet, received real data back and recorded the USDC settlement on-chain, most recently on 2026-11-01.

How does an AI agent find LLM chat completions API, OpenAI-compatible: one endpoint for 100+ models?

Through the free PayAPI Market MCP server at https://payapi.market/mcp, using search_apis or get_api, or over plain HTTP at https://payapi.market/agent/search. Discovery is free; the agent pays the provider directly on the listing's own 402.

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