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x402.ottoai.services supported-tokens
https://x402.ottoai.services/supported-tokens
payable
Search supported ERC-20 tokens by symbol or address across 6 chains (Base, Ethereum, Arbitrum, Polygon, BSC, Avalanche). 5000+ tokens from CoinGecko. Use before swap/bridge to disambiguate tokens.
We sent a real
GET request to this endpoint and it
answered 402 with payment requirements we could parse.
- Price
- $0.001
- Network
- base
- Pay to
- 0x5bB4B0C766E0D5D791d9403Fc275c22064709F68
- Spec dialect
- v2 (declares x402Version 2)
- Transport
- PAYMENT-REQUIRED header
- HTTP method
- GET
- Response latency
- 145 ms
- Payment options
- 4 usable of 4
- Last checked
- 2026-08-10T09:11:48.288Z (1d ago)
- Category
- finance-crypto
Re-check it yourself:
curl "https://api.the402.dev/validate?url=https%3A%2F%2Fx402.ottoai.services%2Fsupported-tokens"