{ "x402Version": 2, "id": 28303, "slug": "28303", "resource": "https://agent402.tools/api/email-deliverability", "description": "End-to-end email-auth report for a domain: SPF + DMARC + DKIM (probes common selectors automatically) + MX records + score 0–100. The one call to make when 'why is our mail going to spam?' lands in your inbox.", "type": "http", "serviceName": "Email deliverability check", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png", "resourceType": "Identity & Enrichment", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:137", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x3c499c542cEF5E3811e1192ce70d8cC03d5c3359", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42161", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0xaf88d065e77c8cC2239327C5EDb3A432268e5831", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:143", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x754704Bc059F8C67012fEd69BC8A327a5aafb603", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:43114", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0xB97EF9Ef8734C71904D8002F8b6Bc66Dd9c48a6E", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:1329", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0xe15fC38F6D8c56aF07bbCBe3BAf5708A2Bf42392", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:10", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x0b2C639c533813f4Aa9D7837CAf62653d097Ff85", "amount": "3000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:4663", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x5fc5360D0400a0Fd4f2af552ADD042D716F1d168", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "eip155:42220", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0xcebA9300f2b948710d2653dD7B07f33A8B32118C", "amount": "2000", "maxTimeoutSeconds": 300 }, { "scheme": "upto", "network": "eip155:8453", "payTo": "0xaBF4FAbd7c416fB67202E5f9002389Fc75e2a9D0", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp", "payTo": "J7aN3PLJnTCF5qpEnvJHJsnCjcGuqC2rYtEM8Gv3xwg", "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v", "amount": "2000", "amountUsd": 0.002, "maxTimeoutSeconds": 300 }, { "scheme": "exact", "network": "stellar:pubnet", "payTo": "GDNJXCKW7ZM7GEEVP674TWPU26YJNBQ2FI4ZIPRKTPTNUEJMDHFJWWRL", "asset": "CCW67TSZV3SSS2HXMBQ5JFGCKJNXKZM7UQUWUZPUTHXSTZLEO7SJMI75", "amount": "20000", "maxTimeoutSeconds": 300 } ], "outputSchema": { "properties": { "example": { "properties": { "checks": { "type": "array" }, "dkim": { "type": "object" }, "dmarc": { "type": "object" }, "domain": { "type": "string" }, "mx": { "type": "object" }, "queriedAt": { "type": "string" }, "score": { "type": "integer" }, "spf": { "type": "object" }, "summary": { "type": "string" } }, "required": [ "domain", "score", "summary", "spf", "dmarc", "dkim", "mx", "checks", "queriedAt" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "input": { "body": { "domain": "google.com" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "checks": [ { "check": "spf", "detail": "SPF record present, 1 DNS lookup, ~all qualifier", "status": "pass" }, { "check": "dmarc", "detail": "p=reject at 100% - strict enforcement", "status": "pass" }, { "check": "dkim", "detail": "Found DKIM at selector 20221208 (2048-bit RSA)", "status": "pass" }, { "check": "mx", "detail": "5 MX records configured", "status": "pass" } ], "dkim": { "found": [ { "bits": 2048, "selector": "20221208", "valid": true } ], "probed": [ "google", "selector1", "default", "20221208" ] }, "dmarc": { "hasRecord": true, "percent": 100, "policy": "reject", "valid": true }, "domain": "google.com", "mx": { "count": 5, "records": [ "smtp.google.com" ] }, "queriedAt": "2026-06-19T20:00:00.000Z", "score": 90, "spf": { "all": "softfail", "hasRecord": true, "lookupCount": 1, "valid": true }, "summary": "good" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "properties": { "dkimSelectors": { "description": "Optional DKIM selectors to probe (overrides default list of 14 common selectors)", "type": "array" }, "domain": { "description": "Domain name (also accepts email/url/host)", "type": "string" } }, "required": [ "domain" ] }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "checks": { "type": "array" }, "dkim": { "type": "object" }, "dmarc": { "type": "object" }, "domain": { "type": "string" }, "mx": { "type": "object" }, "queriedAt": { "type": "string" }, "score": { "type": "integer" }, "spf": { "type": "object" }, "summary": { "type": "string" } }, "required": [ "domain", "score", "summary", "spf", "dmarc", "dkim", "mx", "checks", "queriedAt" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_b4aw4uzd" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } }, "tags": [ "network", "email", "email-auth", "deliverability", "spf", "bazaar", "builder-code", "payment-identifier" ], "sourceHost": "agent402.tools", "lastUpdated": "2026-09-30T20:29:28.833Z", "quality": { "calls30d": 2, "uniquePayers30d": 2, "lastCalledAt": "2026-09-30T20:29:28.558Z" }, "metadata": { "serviceName": "Email deliverability check", "iconUrl": "https://res.cloudinary.com/bdb-prod/image/upload/c_fill,ar_1:1,w_256,h_256,f_auto,q_auto/v1784423094/bazaar-icons/478aced8e219894c.png", "extensions": { "bazaar": { "info": { "input": { "body": { "domain": "google.com" }, "bodyType": "json", "method": "POST", "type": "http" }, "output": { "example": { "checks": [ { "check": "spf", "detail": "SPF record present, 1 DNS lookup, ~all qualifier", "status": "pass" }, { "check": "dmarc", "detail": "p=reject at 100% - strict enforcement", "status": "pass" }, { "check": "dkim", "detail": "Found DKIM at selector 20221208 (2048-bit RSA)", "status": "pass" }, { "check": "mx", "detail": "5 MX records configured", "status": "pass" } ], "dkim": { "found": [ { "bits": 2048, "selector": "20221208", "valid": true } ], "probed": [ "google", "selector1", "default", "20221208" ] }, "dmarc": { "hasRecord": true, "percent": 100, "policy": "reject", "valid": true }, "domain": "google.com", "mx": { "count": 5, "records": [ "smtp.google.com" ] }, "queriedAt": "2026-06-19T20:00:00.000Z", "score": 90, "spf": { "all": "softfail", "hasRecord": true, "lookupCount": 1, "valid": true }, "summary": "good" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "properties": { "dkimSelectors": { "description": "Optional DKIM selectors to probe (overrides default list of 14 common selectors)", "type": "array" }, "domain": { "description": "Domain name (also accepts email/url/host)", "type": "string" } }, "required": [ "domain" ] }, "bodyType": { "enum": [ "json", "form-data", "text" ], "type": "string" }, "method": { "enum": [ "POST" ], "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method", "bodyType", "body" ], "type": "object" }, "output": { "properties": { "example": { "properties": { "checks": { "type": "array" }, "dkim": { "type": "object" }, "dmarc": { "type": "object" }, "domain": { "type": "string" }, "mx": { "type": "object" }, "queriedAt": { "type": "string" }, "score": { "type": "integer" }, "spf": { "type": "object" }, "summary": { "type": "string" } }, "required": [ "domain", "score", "summary", "spf", "dmarc", "dkim", "mx", "checks", "queriedAt" ], "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } }, "builder-code": { "info": { "a": "bc_b4aw4uzd" }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "additionalProperties": false, "properties": { "a": { "description": "App builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "s": { "description": "Service builder codes", "items": { "pattern": "^[a-z0-9_]{1,32}$", "type": "string" }, "maxItems": 11, "type": "array" }, "w": { "description": "Wallet builder code", "pattern": "^[a-z0-9_]{1,32}$", "type": "string" } }, "type": "object" } }, "payment-identifier": { "info": { "required": false }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "id": { "maxLength": 128, "minLength": 16, "pattern": "^[a-zA-Z0-9_-]+$", "type": "string" }, "required": { "type": "boolean" } }, "required": [ "required" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "agent402.tools", "manifest_name": "agent402.tools", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": { "checks": [ "value" ], "dkim": {}, "dmarc": {}, "domain": "string", "mx": {}, "queriedAt": "string", "score": 0, "spf": {}, "summary": "string" }, "type": "string" } }