| https://blockint.ai/api/v1/screen/:address Screen one address (EVM, Bitcoin, Tron, Solana, Polkadot, Cosmos or WAX as wax:account) against the OFAC SDN list, Tether/Circle freezes (EVM, Tron, Solana) and public C3 reports. Returns action BLOCK (OFAC SDN match), REVIEW (reported or frozen; current freeze = HIGH) or ALLOW_N | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/screen/:address Screen one address (EVM, Bitcoin, Tron, Solana, Polkadot, Cosmos or WAX as wax:account) against the OFAC SDN list, Tether/Circle freezes (EVM, Tron, Solana) and public C3 reports. Returns action BLOCK (OFAC SDN match), REVIEW (reported or frozen; current freeze = HIGH) or ALLOW_N | solana | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/check/:address Legacy minimal alias of /screen. Returns result 'caution' (with reportCount, crimeTypes and any OFAC SDN sanctions entries) when reports, an OFAC SDN match or a current Tether/Circle freeze are found, otherwise 'no_c3_reports', plus action, actionReason, sanctioned, frozen and fr | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/check/:address Legacy minimal alias of /screen. Returns result 'caution' (with reportCount, crimeTypes and any OFAC SDN sanctions entries) when reports, an OFAC SDN match or a current Tether/Circle freeze are found, otherwise 'no_c3_reports', plus action, actionReason, sanctioned, frozen and fr | solana | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/:id Retrieve one public C3 community fraud report by its report ID. | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/:id Retrieve one public C3 community fraud report by its report ID. | solana | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/leaderboard List top C3 contributor accounts ranked by reports, points, cases, and badges. All anonymous submissions share one account. | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/leaderboard List top C3 contributor accounts ranked by reports, points, cases, and badges. All anonymous submissions share one account. | solana | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/:id Retrieve one public C3 community fraud report by its report ID. | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/c3-reports/:id Retrieve one public C3 community fraud report by its report ID. | solana | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/check Batch screen up to 50 blockchain addresses in one call for a flat $0.40 USDC (equal to $0.008 per address when you send 50). For fewer than 40 addresses, single /screen calls at $0.01 each cost less. Each result has the same action, sanctions (official OFAC SDN list only) and ris | base | USDC | $0.40 | exact |
| https://blockint.ai/api/v1/check Batch screen up to 50 blockchain addresses in one call for a flat $0.40 USDC (equal to $0.008 per address when you send 50). For fewer than 40 addresses, single /screen calls at $0.01 each cost less. Each result has the same action, sanctions (official OFAC SDN list only) and ris | solana | USDC | $0.40 | exact |
| https://blockint.ai/api/v1/domains/check/:domain Screen a domain name for phishing, fraud, and scam association in the C3 community database. Matches the exact hostname and its subdomains. Returns risk score and matching report details. | base | USDC | $0.01 | exact |
| https://blockint.ai/api/v1/domains/check/:domain Screen a domain name for phishing, fraud, and scam association in the C3 community database. Matches the exact hostname and its subdomains. Returns risk score and matching report details. | solana | USDC | $0.01 | exact |