claude-sonnet

Claude Sonnet API - pay per call, no API key.

Claude Sonnet API - pay per call, no API key. OpenAI-format chat completions on anthropic/claude-sonnet-5.5, pinned to Anthropic's own OpenRouter endpoint for reliability. You sign a fixed price computed from your max_tokens; unused tokens are not refunded. 20s server-side timeout - never charged if it fires; set your client timeout to 30s. Try GET /llm/claude-sonnet/sample.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.001892 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x3cedc3cb…607b45ec

URL

https://x402.agentindex.world/llm/claude-sonnet

MCP server on this host: world.agentindex/x402

Seen

first 3 days ago · last 12 hr ago

5 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Buy it through Teppi

?Pay on delivery: 0.003892 USDC (0.001892 to the seller, 0.002000 fee)
Where: https://api.teppi.xyz/v1/via/cap_01M3TZYNDEVAGH7KV3WV64AD1G
?Ask the price: curl -si -X POST https://api.teppi.xyz/v1/via/cap_01M3TZYNDEVAGH7KV3WV64AD1G -H 'content-type: application/json' -d '{}'

About

?Description

URL

https://x402.agentindex.world/llm/claude-sonnet

Method

POST

Class

compute

?Checkable to

Endpoint id

cap_01M3TZYNDEVAGH7KV3WV64AD1G

?Badge

Reads live. UNRATED until paid calls earn a letter.

Markdown: [![Teppi](https://api.teppi.xyz/badge/cap_01M3TZYNDEVAGH7KV3WV64AD1G.svg)](https://teppi.xyz/endpoint/cap_01M3TZYNDEVAGH7KV3WV64AD1G)
HTML: <a href="https://teppi.xyz/endpoint/cap_01M3TZYNDEVAGH7KV3WV64AD1G"><img src="https://api.teppi.xyz/badge/cap_01M3TZYNDEVAGH7KV3WV64AD1G.svg" alt="Teppi delivery record"></a>
Image: https://api.teppi.xyz/badge/cap_01M3TZYNDEVAGH7KV3WV64AD1G.svg

Verify it yourselfnpx teppi-check https://x402.agentindex.world/llm/claude-sonnetcurl -s https://api.teppi.xyz/v1/trust/cap_01M3TZYNDEVAGH7KV3WV64AD1G