x402.fairseal.io
Base · payout 0xbd5eb5559f5ac14475ac0c81b6735a4d9106ce28
Answers HTTP 402
0 of 3 probed endpoints answered HTTP 402 with a parseable payment payload
checked 2026-10-05
Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.
x402-style payments, last 7 days (Base)
24 x402-style payments from 2 distinct payers, $0.13 USDC in the last 7 days (Base, exact read)
window ended 2026-10-05
- Payments
- 24
- Outside payers
- 2
- USDC
- 0.13
This window shows the pattern of machine noise (few payers, dust amounts), so it does not count toward the evidence ranking.
All USDC received at this payout address: $0.13 (includes payments that are not x402)
Method: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.
Reading: x402-style payments to this payout address on Base, exact read of the 7 days to 2026-10-05, every block of the window: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's `exact` scheme uses. Some non-x402 gasless sends use it too; Sato Hub's own payer wallets are left out
Delivery is not measured. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.
Chains · one payout address, each chain read on its own
| Chain | Payout address | Listings | Answers 402 | x402-style payments |
|---|---|---|---|---|
| Base | 0xbd5eb5559f5ac14475ac0c81b6735a4d9106ce28 | 6 | 0 of 3 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-05 | 24 x402-style payments from 2 distinct payers, $0.13 USDC in the last 7 days (Base, exact read) |
- Hosts
- api.fairseal.io, x402.fairseal.io
- Listings
- 6 registered in the x402 catalogue
- Price range
- $0.0010 to $0.020 per call, as registered
- Categories (auto)
- Developer tools (4), Inference (1), Onchain data (1)
- First seen
- 2026-10-05 · last seen 2026-10-05
Claim this merchant
Sign a message from the payout address 0xbd5eb5…06ce28 to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.
Registrations · 6
| Endpoint | Chain | Category | Price | Catalogue date |
|---|---|---|---|---|
https://x402.fairseal.io/v1/pii/detect Regex PII scan: emails, US/CA (NANP) phones, dash-formatted national IDs (partial; Taiwan-format alphanumeric IDs not matched), loose passports, 64-hex crypto keys (may flag SHA-256), credit cards (contiguous IIN prefix… | Base | Developer tools | $0.001 | 2026-10-03 |
https://x402.fairseal.io/v2/anchor Anchor a SHA-256 payload hash (64 lowercase hex chars) into a Merkle batch on Base mainnet. Payment: $0.001 USDC per submission (batch-settled). Returns anchor_id (202); poll status_url for Merkle proof + on-chain tx ha… | Base | Onchain data | $0.001 | 2026-10-03 |
https://x402.fairseal.io/v1/veo/verify Verify AI agent outputs against a VEO-2 schema. Checks structural validity, SHA-256 hash integrity (if content hash is present), and optional cryptographic signature on the output (if proof.provider_signature is present… | Base | Inference | $0.002 | 2026-10-03 |
https://x402.fairseal.io/v1/rng/latest Verifiable random numbers with cryptographic epoch references. Wesolowski 2048-bit VDF epoch chain with on-chain MerkleAnchor reference. For unbiased randomness: POST /v1/rng/commit (free), then GET the reveal_url retur… | Base | Developer tools | $0.005 | 2026-10-03 |
https://api.fairseal.io/v1/notarize Anchor an AI agent decision or audit record to Base mainnet. Submit {schema, payload_hash (SHA-256 hex, 64 chars), metadata}; service queues into a Merkle batch and returns a receipt with pending_anchor status immediate… | Base | Developer tools | $0.02 | 2026-09-26 |
https://x402.fairseal.io/v1/notarize Anchor an AI agent decision or audit record to Base mainnet. Submit {schema, payload_hash (SHA-256 hex, 64 chars), metadata}; service queues into a Merkle batch and returns a receipt with pending_anchor status immediate… | Base | Developer tools | $0.02 | 2026-10-03 |
Descriptions are the seller’s own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
Data CC-BY-4.0, attribution: data by satohub.ai. Collector run 2026-10-05. Appearing here is not an endorsement. Check an endpoint with the doctor.