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x402-echo-service.onrender.com base64
https://x402-echo-service.onrender.com/base64
answers 402
Encode or decode base64. POST {"mode":"encode","input":"..."} or {"mode":"decode",...}. Supports standard and url-safe alphabets via {"urlsafe":true}. Decoding validates the input and reports an error rather than returning silent garbage.
We sent a real
POST request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x9Cc774A8eD49d89cBA1A288F4a050B8F7FbA77EE
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- POST
- Response latency
- 109 ms
- Payment options
- 1 usable of 1
- Last checked
- 2026-09-06T01:12:22.371Z (20d ago)
- Category
- web-scraping
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402-echo-service.onrender.com%2Fbase64"