messages

Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 per call in USDC, no API key…

Anthropic Messages API over x402 - point the Anthropic SDK (or Claude Code / the Agent SDK) at base_url https://agent402.tools/v1/pro and pay $0.10 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). Up to 48,000 input chars and 4096 output tokens; streaming supported.

UNRATEDListed

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.10 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x77065d81…16744121

URL

https://agent402.tools/v1/pro/messages

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

Seen

first 22 days ago · last 10 hr ago

40 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

0.770 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held back by sample size, not by the seller · gap to 1.000 is 0.230: 0.120 uncertain ? + 0.110 short ? · 0.030 to B

How the composite of 0.770 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	0.45	0.310		0.062	−0.110	−0.028
liveness it answered at all	0.60	1.00	0.846		0.508	0	−0.092
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.770	gap to 1.000 = 0.230 · 0.110 short · 0.120 uncertain	0.770	−0.110	−0.120

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

The multiplication, written out

  0.200 × 0.310   latency p95    
+ 0.600 × 0.846   liveness       
+ 0.200 × 1.000   price stability
= 0.770           → UNRATED: 40 of 30 paid calls      weights 2026.09.6 · 40 samples · seed cap_01M2A29A63BCP1REZY98KST2NV|2026-09-04T05:05:06.913Z|2026.09.6

Verify it yourselfnpx teppi-check https://agent402.tools/v1/pro/messagescurl -s https://api.teppi.xyz/v1/trust/cap_01M2A29A63BCP1REZY98KST2NV