messages

Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1 and pay $0.02 per call in USDC, no API key, no…

Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1 and pay $0.02 per call in USDC, no API key, no signup. Same models, caps and price as this tier's /chat/completions route; any model here is served through the Messages wire (Claude natively, others translated). Depth: `effort` (low..max) on Claude 4.7+, thinking.budget_tokens on older Claude. Up to 32,000 input chars and 2048 output tokens; streaming supported.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.02 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x77065d81…16744121

URL

https://agent402.tools/v1/messages

MCP server on this host: io.github.MikeyPetrillo/agent402

Seen

first 29 days ago · last 12 hr ago

53 free handshakes

Payment

Pays through

x402 · MPP evm, tempo

Offered on?

algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e

Listed on?

Polygon, Arbitrum, Avalanche, Base, Solana

Score, from free handshakes onlyweights 2026.09.6

UN
RATED

0.794 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.206: 0.102 uncertain ? + 0.103 short ? · 0.006 to B

How the composite of 0.794 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.51	0.436		0.087	−0.097	−0.016
liveness it answered at all	0.60	0.99	0.845		0.507	−0.006	−0.087
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.794	gap to 1.000 = 0.206 · 0.103 short · 0.102 uncertain	0.794	−0.103	−0.102

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.436   latency p95    
+ 0.600 × 0.845   liveness       
+ 0.200 × 1.000   price stability
= 0.794           → UNRATED: 52 of 30 paid calls      weights 2026.09.6 · 52 samples · seed cap_01M1RD9FNPEM6B1Z9A1PQHMBY5|2026-09-03T06:00:39.150Z|2026.09.6

Verify it yourselfnpx teppi-check https://agent402.tools/v1/messagescurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9FNPEM6B1Z9A1PQHMBY5