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# api.blockchain.info: x402 seller record on paidfor.dev
Of 81 paid calls to api.blockchain.info, 14 failed the buyer: 8 settled on-chain and returned nothing usable within the seller's declared timeout; 6 were quoted above the price the seller lists in the Bazaar index. Verdict: avoid.
Checked 0 times this week through GET https://paidfor.dev/v1/check.
## Numbers
verdict: avoid
verdict_basis: measured
domain: api.blockchain.info
tier: unassigned
category: other
low_sample: false
calls: 81
failures: 14
failure_rate: 0.1728395061728395
wilson_low: 0.10584403836403176
wilson_high: 0.26946137600709835
non_delivery: 8
overcharge: 6
duplicate: 0
wrong_goods: 0
dollar_weighted_rate: 0.373333333333333
median_quote_usdc: 0.001000
onchain_inflow_30d_usdc: 0.573500
bazaar_listing_count: 55
last_seen: 2026-10-29T08:13:09.692Z
min_calls_for_rating: 30
evidence_url: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/api.blockchain.info.json
checks_7d: 0
## Reported by operators
No operator has reported a verified purchase from api.blockchain.info yet. Operators running @paidfor/x402-safe-fetch with telemetry set to verified add to this series.
## Resources (at least 10 paid calls)
No resource of this seller reached 10 paid calls.
## Evidence
failures_total: 14
shown: 14
| timestamp | outcome | method | resource | quote_usdc | reference_price_usdc | reference_source | http_status | validator_failures | settlement_tx |
|---|---|---|---|---|---|---|---|---|---|
| 2026-10-29T06:22:21.298Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/charts/avg-block-size | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0x6467eb166b6e8a65ad97b0b3f57e69c7595a54c836a656028e9e3b03e64bc451 |
| 2026-10-29T06:22:02.367Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/btc/transaction | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0xc9426cc6f664ed323d262140f3990b4d7e527a99f797afc2dd5e5546897c5b7b |
| 2026-10-29T06:21:31.366Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/charts/pools | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0xf2ecf25519441c8f8372ddfa95f63759d9668b346266d39f9c744ee5db80c4c8 |
| 2026-10-29T06:21:02.287Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/address | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0x72dac33e0d5e95887d5bb6e1100e3c72de531e3d0763869a98b3ca4061425da7 |
| 2026-10-29T06:20:29.342Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/charts/mempool-size | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0xd56ec0d8c09dbd4712926c943a3ea741d0daa5c0e1abb1d5ee37e1482df554bc |
| 2026-10-29T06:19:35.771Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.005000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0xd813e238abc59fbe8f9ec19274dd972d1deed8899649efb8dff5682efa82436f |
| 2026-10-29T06:18:09.888Z | overcharge | POST | https://api.blockchain.info/explorer-gateway-kt/x402/btc/address | 0.005000 | 0.001000 | bazaar | 200 | null | https://basescan.org/tx/0x58c91dd58ec7f09a4b254643409757a4efd8389d957247949bca0d0a2f4c4568 |
| 2026-10-25T20:52:03.589Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0xe9565fb1d3c7344241df6788d97e1822485dae8818508abe7f86ec25be3ed38d |
| 2026-10-25T20:46:40.194Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0x43e3c23a937c38b9495dd9448851d3de1b7f2e3a91ff54431abb8cec9522aa3a |
| 2026-10-25T20:37:51.537Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0x05513377a61953a63606832933b2d3d90ef3e01c32ed05cf2631267035cef262 |
| 2026-10-25T15:07:49.265Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0x55889b2cb87cfeda05d8b0541e2e3d8b271e66c39a2162a3e13e41944976519d |
| 2026-10-25T14:00:14.559Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0x38787f6f65f30ecdca86a2780e2b8bd8a1dda6a91ec97ff5f57d5130b9baa9e9 |
| 2026-10-25T10:54:39.553Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0x61e8aa1a18d034d9222c70566f106ee3e9002f12bc6705f3ab059a4f50836dea |
| 2026-10-25T09:38:35.660Z | non_delivery | POST | https://api.blockchain.info/explorer-gateway-kt/x402/bch/transaction | 0.001000 | 0.001000 | bazaar | 404 | http_status:non_2xx_status | https://basescan.org/tx/0xfe92eae67b70fe3d8e808b859628e54fa422109b7897dc3001b0030aa12929c3 |
## Seller response
No reply from api.blockchain.info yet. Sellers who respond get their reply published here verbatim within a day of receipt; a reply never changes a number.
## How to use this
- This page as JSON: GET https://paidfor.dev/v1/seller/api.blockchain.info
- Check any URL: GET https://paidfor.dev/v1/check?url=api.blockchain.info
- MCP tool: check_x402_seller({ url: "api.blockchain.info" })
- MCP install, any client: https://paidfor.dev/install.md (stdio: npx @paidfor/mcp)
- MCP over Streamable HTTP: https://mcp.paidfor.dev/mcp
- There are no API keys and no rate limit for now.
Worked example: GET https://paidfor.dev/v1/check?url=api.blockchain.info
```
Avoid: 17.3% of 81 paid calls to api.blockchain.info failed the buyer; 8 settled on-chain and returned nothing usable within the seller's declared timeout; 6 were quoted above the price the seller lists in the Bazaar index. Evidence: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/api.blockchain.info.json
```
Response fields: input, host, verdict (avoid|caution|ok|unknown), verdict_text, seller, resource, probe, seller_url, evidence_url, methodology_url, generated_at.
Source: https://raw.githubusercontent.com/sarmadahsan/paidfor-data/main/evidence/api.blockchain.info.json (generated_at 2026-10-29T08:13:33.137Z)
Human view: https://paidfor.dev/view?set=human&to=/seller/api.blockchain.info (sets a one-year cookie; or append ?view=human to any page)