the402 endpoint detail

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x402.outpimp.com base64Encode

https://x402.outpimp.com/base64Encode

answers 402

Base64 encoder API. Encodes UTF-8 text to base64 instantly and correctly — skip burning agent tokens hand-computing base64, which LLMs frequently get wrong on padding and edge cases.

We sent a real POST request to this endpoint and it answered 402 with payment requirements we could parse.
Price
$0.01
Network
base
Pay to
0x548eFd4f4d4A5C3669dbb4CBB2B1A637FeeEc5F6
Spec dialect
v2 (declares x402Version 2)
Transport
PAYMENT-REQUIRED header
HTTP method
POST
Response latency
78 ms
Payment options
2 usable of 2
Last checked
2026-09-06T01:12:38.441Z (31d ago)
Category
finance-crypto

Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.outpimp.com%2Fbase64Encode"