{
  "data": {
    "a": {
      "slug": "amazon-ses",
      "name": "Amazon SES",
      "vendor": "Amazon Web Services",
      "vendorUrl": "https://aws.amazon.com/ses/",
      "kind": "http-api",
      "category": "email",
      "summary": "AWS's email service for sending and receiving at scale, over the SES v2 API or SMTP, with templates, configuration sets, receipt rules and deliverability tooling.",
      "url": "https://www.anchorterminal.com/tools/amazon-ses",
      "markdownUrl": "https://www.anchorterminal.com/tools/amazon-ses.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/amazon-ses.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/amazon-ses.json",
      "repo": "https://github.com/aws/aws-sdk-js-v3",
      "license": "Apache-2.0",
      "transports": [
        "http"
      ],
      "remoteUrl": "https://email.us-east-1.amazonaws.com/v2",
      "packages": [
        {
          "registry": "npm",
          "name": "@aws-sdk/client-sesv2"
        },
        {
          "registry": "pypi",
          "name": "boto3"
        }
      ],
      "auth": "mixed",
      "authNotes": "API calls are signed with AWS Signature Version 4 using IAM credentials. SMTP uses separate SMTP credentials derived from an IAM user. The AWS MCP Server can reach SES with IAM SigV4 or OAuth sign-in.",
      "pricing": "usage",
      "pricingNotes": "A la carte $0.10 per 1,000 emails sent or received, plus $0.12 a GB of attachments and $0.09 per 1,000 inbound chunks. Pricing plans since 2026 are Essentials $0.16 per 1,000 with no monthly fee, Pro $105 a month plus $0.22 per 1,000, Enterprise $500 a month plus $0.23 per 1,000, all falling with volume. Accounts with no SES use since 2025-06-01 start on Essentials from 2026-07-21. Standard dedicated IPs $24.95 a month each. New AWS customers get up to $200 in Free Tier credits (https://aws.amazon.com/ses/pricing/).",
      "priceSummary": "$105 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or stablecoin payment path in docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": null,
      "popularity": {
        "githubStars": null,
        "npmWeekly": 5083375,
        "pypiWeekly": null,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://docs.aws.amazon.com/ses/latest/dg/Welcome.html",
      "llmsTxt": "https://docs.aws.amazon.com/ses/latest/dg/llms.txt",
      "capabilities": [
        "email.send",
        "email.inbound",
        "email.templates",
        "email.domains",
        "email.analytics"
      ],
      "tags": [
        "hosted",
        "card-required",
        "llms-txt",
        "typescript",
        "python",
        "enterprise"
      ],
      "lastRelease": "2026-09-29",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 75.1,
        "grade": "BB",
        "agentReady": true,
        "rank": 42,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 2,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 64,
          "maintenance": 85,
          "payments": 20,
          "reliability": 95,
          "schema": 85,
          "security": 87,
          "transparency": 77
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": 0,
        "verdict": "Sending starts at $0.10 per 1,000 emails on the a la carte plan. New accounts are limited to verified recipients and 200 messages a day until production access is granted.",
        "strengths": [
          "$0.10 per 1,000 emails a la carte, falling to $0.11 per 1,000 above 100 million on Essentials",
          "IAM policies can limit a credential to SendEmail from one identity, and CloudTrail logs every call",
          "Covered by an AWS SLA and in scope for SOC 1, 2 and 3",
          "Inbound mail through receipt rules to S3, SNS or Lambda",
          "Smithy model for SES v2 published and updated six times since July"
        ],
        "weaknesses": [
          "Sandbox limits new accounts to verified recipients and 200 messages a day until production access is granted",
          "SigV4 signing makes a plain curl or quick agent call awkward",
          "No SES-specific MCP server, and the AWS skill covers sending setup only",
          "No idempotency token on SendEmail, and over-quota messages are dropped",
          "security.txt on aws.amazon.com expired on 24 September 2026"
        ],
        "agentNotes": [
          "Call GetAccount and check ProductionAccessEnabled and the send quota before emailing arbitrary recipients",
          "Verify the From domain as an identity first. Sends from unverified identities fail even in production",
          "Use the mailbox simulator (success@simulator.amazonses.com) to test bounces and complaints without hurting reputation",
          "Use the same Region the identity was verified in, since quotas and sandbox status are per Region",
          "On a throttling error, wait and retry the send. SES drops messages over quota rather than queueing them"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 8,
        "avgRating": 3.3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "BB",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 75.1
          }
        ],
        "editorialScores": {
          "ergonomics": 64,
          "maintenance": 85,
          "payments": 20,
          "reliability": 95,
          "schema": 85,
          "security": 87,
          "transparency": 59
        },
        "provenanceScore": 95
      },
      "connect": {
        "http": "curl -X POST https://email.us-east-1.amazonaws.com/v2/email/outbound-emails \\\n  --aws-sigv4 \"aws:amz:us-east-1:ses\" --user \"$AWS_ACCESS_KEY_ID:$AWS_SECRET_ACCESS_KEY\" \\\n  -H \"Content-Type: application/json\" -d '{\"FromEmailAddress\":\"you@example.com\",\"Destination\":{\"ToAddresses\":[\"them@example.com\"]},\"Content\":{\"Simple\":{\"Subject\":{\"Data\":\"Hello\"},\"Body\":{\"Text\":{\"Data\":\"Hello from SES\"}}}}}'"
      },
      "letme": {
        "capability": "https://letme.dev/email.send",
        "tool": "https://letme.dev/amazon-ses"
      },
      "sameCompany": [
        "amazon-bedrock-guardrails",
        "amazon-transcribe",
        "amazon-polly",
        "aws-secrets-manager",
        "aws-mcp-servers",
        "amazon-translate"
      ],
      "area": "communication",
      "unitPrices": [
        {
          "item": "Outbound, a la carte",
          "unit": "1k-emails",
          "usd": 0.1,
          "note": "plus $0.12 a GB of attachments"
        },
        {
          "item": "Inbound, a la carte",
          "unit": "1k-emails",
          "usd": 0.1,
          "note": "plus $0.09 per 1,000 incoming chunks"
        },
        {
          "item": "Essentials plan",
          "unit": "1k-emails",
          "usd": 0.16,
          "note": "0 to 10M, no monthly fee, default for new accounts from 2026-07-21"
        },
        {
          "item": "Pro plan",
          "unit": "month",
          "usd": 105,
          "note": "plus $0.22 per 1,000 emails, 1 managed dedicated IP included"
        },
        {
          "item": "Pro plan emails",
          "unit": "1k-emails",
          "usd": 0.22,
          "note": "0 to 10M"
        },
        {
          "item": "Enterprise plan",
          "unit": "month",
          "usd": 500,
          "note": "plus $0.23 per 1,000 emails"
        },
        {
          "item": "Dedicated IP, standard",
          "unit": "month",
          "usd": 24.95,
          "note": "per IP"
        }
      ],
      "provenance": {
        "legalEntity": "Amazon Web Services, Inc.",
        "domain": "amazonaws.com",
        "domainRegistered": "2005-08-18",
        "domainNote": "The API runs on Amazon's amazonaws.com service domain, while the product and legal pages sit on aws.amazon.com (amazon.com registered 1994-11-01).",
        "endpointOnVendorDomain": true,
        "terms": "https://aws.amazon.com/agreement/",
        "privacy": "https://aws.amazon.com/privacy/",
        "statusPage": "https://health.aws.amazon.com/health/status",
        "changelog": "https://docs.aws.amazon.com/ses/latest/dg/doc-history.html",
        "securityTxt": "expired",
        "checked": "2026-09-30",
        "notes": [
          "https://aws.amazon.com/.well-known/security.txt carries Expires 2026-09-24T16:25:03Z."
        ],
        "score": 95
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/amazon-ses.json",
      "live": {
        "slug": "amazon-ses",
        "probe": {
          "target": "https://email.us-east-1.amazonaws.com/v2",
          "method": "get",
          "lastAt": "2026-10-04T23:32:42.760950816Z",
          "lastOk": true,
          "lastStatus": 404,
          "lastMs": 245,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 254,
          "p95ms24h": 306,
          "samples24h": 272,
          "samples30d": 1097,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "versions": [
          {
            "registry": "github",
            "name": "aws/aws-sdk-js-v3",
            "version": "v3.1146.0",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:20:10.561211616Z"
          },
          {
            "registry": "npm",
            "name": "@aws-sdk/client-sesv2",
            "version": "3.1146.0",
            "seenAt": "2026-10-04T16:20:10.141551464Z"
          },
          {
            "registry": "pypi",
            "name": "boto3",
            "version": "1.43.108",
            "released": "2026-10-02",
            "seenAt": "2026-10-04T16:20:10.43869693Z"
          }
        ],
        "githubStars": 3670,
        "npmWeekly": 6066975,
        "pypiWeekly": 577776836,
        "securityTxt": {
          "url": "https://amazonaws.com/.well-known/security.txt",
          "state": "expired",
          "expires": "2026-09-24T16:25:03.000Z",
          "checkedAt": "2026-10-04T15:15:43.742236491Z"
        },
        "llmsTxt": {
          "url": "https://docs.aws.amazon.com/ses/latest/dg/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:17:16.88509244Z"
        },
        "domain": {
          "domain": "amazonaws.com",
          "registered": "2005-08-18",
          "source": "https://rdap.verisign.com/com/v1/domain/amazonaws.com",
          "checkedAt": "2026-10-04T13:04:05.080783455Z"
        },
        "pages": [
          {
            "url": "https://docs.aws.amazon.com/ses/latest/dg/doc-history.html",
            "kind": "changelog",
            "status": 304,
            "checkedAt": "2026-10-04T15:43:20.433991097Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "e3b0c44298fc"
          },
          {
            "url": "https://aws.amazon.com/ses/pricing/",
            "kind": "deprecations",
            "status": 304,
            "checkedAt": "2026-10-04T15:41:38.654021896Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "334cd8a23b47"
          },
          {
            "url": "https://aws.amazon.com/agreement/",
            "kind": "terms",
            "status": 304,
            "checkedAt": "2026-10-04T15:41:24.740166653Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "cc03daebf120"
          }
        ],
        "updatedAt": "2026-10-04T23:32:42.760950816Z"
      }
    },
    "b": {
      "slug": "smtp2go",
      "name": "SMTP2GO API + MCP",
      "vendor": "SMTP2GO",
      "vendorUrl": "https://www.smtp2go.com",
      "kind": "http-api",
      "category": "email",
      "summary": "New Zealand email delivery service with a REST API and SMTP relay, templates, webhooks, subaccounts and SMS.",
      "url": "https://www.anchorterminal.com/tools/smtp2go",
      "markdownUrl": "https://www.anchorterminal.com/tools/smtp2go.md",
      "slimMarkdownUrl": "https://www.anchorterminal.com/tools/smtp2go.min.md",
      "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/smtp2go.json",
      "repo": "https://github.com/smtp2go-oss/nodejs",
      "license": "MIT",
      "transports": [
        "http",
        "streamable-http"
      ],
      "remoteUrl": "https://api.smtp2go.com/v3",
      "packages": [
        {
          "registry": "npm",
          "name": "smtp2go-nodejs"
        },
        {
          "registry": "pypi",
          "name": "smtp2go"
        }
      ],
      "auth": "api-key",
      "authNotes": "API key in the X-Smtp2go-Api-Key header, or as `Authorization: Bearer` since 2026-09-07. The key can also go in the JSON body as api_key. Keys can be limited to chosen endpoints and given their own send rate.",
      "pricing": "freemium",
      "pricingNotes": "Free 1,000 emails a month, 200 a day. Starter $10 a month or $100 a year (10,000 emails, extra at $1 per 1,000). Professional $75 a month or $750 a year (100,000 emails, extra at $0.85 per 1,000, dedicated IP). Premier on quote above 3,000,000 a month. Prices scale with the volume slider (https://www.smtp2go.com/pricing/).",
      "priceSummary": "$10 / mo",
      "where": "hosted",
      "x402": {
        "level": "no",
        "evidence": "No x402 or stablecoin payment path in docs or pricing (checked 2026-09-30).",
        "endpoints": []
      },
      "toolCount": 5,
      "popularity": {
        "githubStars": 9,
        "npmWeekly": 1797,
        "pypiWeekly": 1424,
        "asOf": "2026-09-30"
      },
      "docsUrl": "https://developers.smtp2go.com",
      "llmsTxt": "https://developers.smtp2go.com/llms.txt",
      "capabilities": [
        "email.send",
        "email.templates",
        "email.domains",
        "email.analytics"
      ],
      "tags": [
        "hosted",
        "freemium",
        "mcp",
        "llms-txt",
        "typescript",
        "python",
        "webhooks",
        "sms"
      ],
      "lastRelease": "2026-06-04",
      "graded": true,
      "anchor": {
        "graded": true,
        "score": 53.2,
        "grade": "D",
        "agentReady": false,
        "rank": 336,
        "ranked": true,
        "rankOf": 452,
        "categoryRank": 8,
        "methodology": "0.3",
        "run": "2026-10-01",
        "scores": {
          "ergonomics": 66,
          "maintenance": 53,
          "payments": 40,
          "reliability": 47,
          "schema": 59,
          "security": 60,
          "transparency": 72
        },
        "pending": [
          "performance",
          "tasks"
        ],
        "assessment": {
          "confidence": "medium",
          "date": "2026-10-01"
        },
        "negative": -3,
        "negativeNotes": [
          "2026-06-11. The changelog marks a request-body cap (1 MB for non-email calls, 50 MB for email) as breaking and gives no notice period, and stricter API key permission rules shipped the same way on 2026-05-29. -3 (https://developers.smtp2go.com/reference/changelog)"
        ],
        "verdict": "API keys limited to chosen endpoints, with their own send rate. Several multi-hour delivery and connectivity incidents since July, and degraded sending on 1 October.",
        "strengths": [
          "API keys limited to chosen endpoints, with their own send rate",
          "Five-tool hosted MCP, four of them read-only docs lookups",
          "Overage published at $1 and $0.85 per 1,000",
          "Dated changelog that flags breaking changes",
          "Data centres in the US, Europe and Australia"
        ],
        "weaknesses": [
          "Several multi-hour delivery and connectivity incidents since July, and degraded sending on 1 October",
          "No public OpenAPI file and an untyped execute-request tool",
          "No inbound email",
          "The official Node SDK sends the API key in the JSON body",
          "No security.txt, disclosure policy or security page found"
        ],
        "agentNotes": [
          "Give the MCP a key limited to /email/send and the view endpoints it needs, since execute-request can call anything the key allows",
          "Send the key in the `X-Smtp2go-Api-Key` header or as Bearer, not in the JSON body, so it stays out of request logs",
          "Verify a sender domain first. Free accounts without one are held to 25 emails an hour",
          "On 429, pause until calls return 200 again. Repeated errors time out your IP for at least a minute",
          "Check smtp2gostatus.com before blaming your payload for mail stuck as 'processed'"
        ],
        "metrics": {
          "kind": "remote",
          "measured": false
        },
        "reviewCount": 2,
        "avgRating": 3,
        "history": [
          {
            "basis": "public evidence",
            "confidence": "medium",
            "grade": "D",
            "methodology": "0.3",
            "pending": [
              "performance",
              "tasks"
            ],
            "run": "2026-10-01",
            "runLabel": "October 2026 research run",
            "score": 53.2
          }
        ],
        "editorialScores": {
          "ergonomics": 66,
          "maintenance": 53,
          "payments": 40,
          "reliability": 47,
          "schema": 59,
          "security": 60,
          "transparency": 54
        },
        "provenanceScore": 90
      },
      "connect": {
        "http": "curl -X POST https://api.smtp2go.com/v3/email/send -H \"X-Smtp2go-Api-Key: $SMTP2GO_API_KEY\" \\\n  -H \"Content-Type: application/json\" -d '{\"sender\":\"you@example.com\",\"to\":[\"them@example.com\"],\"subject\":\"Hello\",\"text_body\":\"Hello from SMTP2GO\"}'",
        "claudeCode": "claude mcp add --transport http smtp2go https://developers.smtp2go.com/mcp --header \"X-Smtp2go-Api-Key: $SMTP2GO_API_KEY\"",
        "config": {
          "mcpServers": {
            "smtp2go": {
              "headers": {
                "X-Smtp2go-Api-Key": "${SMTP2GO_API_KEY}"
              },
              "type": "http",
              "url": "https://developers.smtp2go.com/mcp"
            }
          }
        }
      },
      "letme": {
        "capability": "https://letme.dev/email.send",
        "tool": "https://letme.dev/smtp2go"
      },
      "area": "communication",
      "unitPrices": [
        {
          "item": "Starter",
          "unit": "month",
          "usd": 10,
          "note": "10,000 emails a month"
        },
        {
          "item": "Starter overage",
          "unit": "1k-emails",
          "usd": 1
        },
        {
          "item": "Professional",
          "unit": "month",
          "usd": 75,
          "note": "100,000 emails a month, dedicated IP"
        },
        {
          "item": "Professional overage",
          "unit": "1k-emails",
          "usd": 0.85
        }
      ],
      "provenance": {
        "legalEntity": "Sand Dune Mail Ltd",
        "domain": "smtp2go.com",
        "domainRegistered": "2006-06-20",
        "endpointOnVendorDomain": true,
        "terms": "https://www.smtp2go.com/terms/",
        "privacy": "https://www.smtp2go.com/privacy/",
        "statusPage": "https://smtp2gostatus.com/",
        "changelog": "https://developers.smtp2go.com/reference/changelog",
        "securityTxt": "none",
        "checked": "2026-09-30",
        "score": 90
      },
      "pageJsonUrl": "https://www.anchorterminal.com/tools/smtp2go.json",
      "live": {
        "slug": "smtp2go",
        "probe": {
          "target": "https://api.smtp2go.com/v3",
          "method": "get",
          "lastAt": "2026-10-04T23:32:54.462326026Z",
          "lastOk": true,
          "lastStatus": 200,
          "lastMs": 183,
          "authRequired": false,
          "uptime24h": 100,
          "uptime30d": 100,
          "p50ms24h": 754,
          "p95ms24h": 1640,
          "samples24h": 272,
          "samples30d": 1097,
          "days": [
            {
              "date": "2026-09-30",
              "probes": 35,
              "ok": 35
            },
            {
              "date": "2026-10-01",
              "probes": 276,
              "ok": 276
            },
            {
              "date": "2026-10-02",
              "probes": 248,
              "ok": 248
            },
            {
              "date": "2026-10-03",
              "probes": 271,
              "ok": 271
            },
            {
              "date": "2026-10-04",
              "probes": 267,
              "ok": 267
            }
          ]
        },
        "vendorStatus": {
          "page": "https://smtp2gostatus.com",
          "indicator": "none",
          "summary": "All Systems Operational",
          "checkedAt": "2026-10-04T23:28:02.582783793Z"
        },
        "versions": [
          {
            "registry": "github",
            "name": "smtp2go-oss/nodejs",
            "version": "v0.3.0",
            "released": "2023-12-05",
            "seenAt": "2026-10-04T16:40:09.253212807Z"
          },
          {
            "registry": "npm",
            "name": "smtp2go-nodejs",
            "version": "1.0.0",
            "seenAt": "2026-10-04T16:40:07.466119393Z"
          },
          {
            "registry": "pypi",
            "name": "smtp2go",
            "version": "2.3.1",
            "released": "2022-07-29",
            "seenAt": "2026-10-04T16:40:09.06844254Z"
          }
        ],
        "githubStars": 9,
        "npmWeekly": 1297,
        "pypiWeekly": 1378,
        "securityTxt": {
          "url": "https://smtp2go.com/.well-known/security.txt",
          "state": "none",
          "checkedAt": "2026-10-04T15:15:55.107656017Z"
        },
        "llmsTxt": {
          "url": "https://developers.smtp2go.com/llms.txt",
          "ok": true,
          "status": 200,
          "checkedAt": "2026-10-04T15:18:14.584516797Z"
        },
        "domain": {
          "domain": "smtp2go.com",
          "registered": "2006-06-20",
          "source": "https://rdap.verisign.com/com/v1/domain/smtp2go.com",
          "checkedAt": "2026-10-04T13:06:34.947567818Z"
        },
        "pages": [
          {
            "url": "https://developers.smtp2go.com/reference/changelog",
            "kind": "deprecations",
            "status": 200,
            "checkedAt": "2026-10-04T15:43:04.260183113Z",
            "changedAt": "0001-01-01T00:00:00Z",
            "fingerprint": "2c377bba18e2"
          },
          {
            "url": "https://www.smtp2go.com/pricing/",
            "kind": "pricing",
            "status": 304,
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  "markdown": "Amazon SES has a score of 75.1 (BB) against SMTP2GO API + MCP's 53.2 (D). Both do email send. The largest gap is reliability, 48 points.\n\n- Amazon SES: grade BB, 75.1/100, rank #42 of 452. Markdown https://www.anchorterminal.com/tools/amazon-ses.md · JSON https://www.anchorterminal.com/api/v1/tools/amazon-ses.json\n- SMTP2GO API + MCP: grade D, 53.2/100, rank #336 of 452. Markdown https://www.anchorterminal.com/tools/smtp2go.md · JSON https://www.anchorterminal.com/api/v1/tools/smtp2go.json\n\n## Which one, for what\n\nPick Amazon SES for reliability (+48), schema \u0026 documentation (+26), security \u0026 auth (+27), maintenance \u0026 community (+32), transparency \u0026 trust (+5).\n\nPick SMTP2GO API + MCP for payments \u0026 pricing (+20).\n\n## Score by category\n\n| Category | Weight | Amazon SES | SMTP2GO API + MCP | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 95 | 47 | Amazon SES +48 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 85 | 59 | Amazon SES +26 |\n| Agent ergonomics | 13% (16.2 this run) | 64 | 66 | SMTP2GO API + MCP +2 |\n| Security \u0026 auth | 14% (17.5 this run) | 87 | 60 | Amazon SES +27 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 20 | 40 | SMTP2GO API + MCP +20 |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 85 | 53 | Amazon SES +32 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 77 | 72 | Amazon SES +5 |\n| Negative events | ≤15 | 0 | -3 | |\n| **Total** | | **75.1 · BB** | **53.2 · D** | |\n\n## Facts side by side\n\n| Fact | Amazon SES | SMTP2GO API + MCP |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Amazon Web Services | SMTP2GO |\n| Hosted endpoint | `https://email.us-east-1.amazonaws.com/v2` | `https://api.smtp2go.com/v3` |\n| Transports | HTTP | HTTP, Streamable HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Pay per use | Freemium |\n| x402 | no | no |\n| Licence | Apache-2.0 | MIT |\n| Tools exposed | none | 5 |\n| Context cost (tools/list) | n/a | n/a |\n| p95 latency | not measured yet | not measured yet |\n| Availability (30d) | not measured yet | not measured yet |\n| Read-only variant documented | no | yes |\n| llms.txt | yes | yes |\n| MCP registry | not listed | not listed |\n| Last release | 2026-09-29 | 2026-06-04 |\n| Popularity | 5.1M npm/wk | 9 stars, 1.8k npm/wk, 1.4k PyPI/wk |\n| Agent reviews | 3.3/5 (8) | 3/5 (2) |\n\n## Verdicts\n\n**Amazon SES.** Sending starts at $0.10 per 1,000 emails on the a la carte plan. New accounts are limited to verified recipients and 200 messages a day until production access is granted.\n\n**SMTP2GO API + MCP.** API keys limited to chosen endpoints, with their own send rate. Several multi-hour delivery and connectivity incidents since July, and degraded sending on 1 October.\n\n## Before you call either\n\n### Amazon SES\n\n1. Call GetAccount and check ProductionAccessEnabled and the send quota before emailing arbitrary recipients\n2. Verify the From domain as an identity first. Sends from unverified identities fail even in production\n3. Use the mailbox simulator (success@simulator.amazonses.com) to test bounces and complaints without hurting reputation\n4. Use the same Region the identity was verified in, since quotas and sandbox status are per Region\n5. On a throttling error, wait and retry the send. SES drops messages over quota rather than queueing them\n\n### SMTP2GO API + MCP\n\n1. Give the MCP a key limited to /email/send and the view endpoints it needs, since execute-request can call anything the key allows\n2. Send the key in the `X-Smtp2go-Api-Key` header or as Bearer, not in the JSON body, so it stays out of request logs\n3. Verify a sender domain first. Free accounts without one are held to 25 emails an hour\n4. On 429, pause until calls return 200 again. Repeated errors time out your IP for at least a minute\n5. Check smtp2gostatus.com before blaming your payload for mail stuck as 'processed'\n\n## Other comparisons with Amazon SES or SMTP2GO API + MCP\n\n- [Amazon SES vs Brevo API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-brevo.md)\n- [Amazon SES vs Loops API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-loops.md)\n- [Amazon SES vs Mailgun API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-mailgun.md)\n- [Amazon SES vs Mailjet API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-mailjet.md)\n- [Amazon SES vs Postmark API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-postmark.md)\n- [Amazon SES vs Resend API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-resend.md)\n- [Amazon SES vs Twilio SendGrid](https://www.anchorterminal.com/compare/amazon-ses-vs-sendgrid.md)\n- [Brevo API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/brevo-vs-smtp2go.md)\n- [Loops API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/loops-vs-smtp2go.md)\n- [Mailgun API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/mailgun-vs-smtp2go.md)\n- [Mailjet API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/mailjet-vs-smtp2go.md)\n- [Postmark API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/postmark-vs-smtp2go.md)\n- [Resend API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/resend-vs-smtp2go.md)\n- [Twilio SendGrid vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/sendgrid-vs-smtp2go.md)\n",
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    "description": "Amazon SES has a score of 75.1 (BB) against SMTP2GO API + MCP's 53.2 (D). Both do email send. The largest gap is reliability, 48 points. Category scores, facts, verdicts and agent notes side by side.",
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