{ "data": { "a": { "slug": "loops", "name": "Loops API + MCP", "vendor": "Loops (Astrodon Corporation)", "vendorUrl": "https://loops.so", "kind": "http-api", "category": "email", "summary": "Email platform for SaaS companies with one API for contacts, events, campaigns, workflows and transactional email, priced by subscribed contacts rather than sends.", "url": "https://www.anchorterminal.com/tools/loops", "markdownUrl": "https://www.anchorterminal.com/tools/loops.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/loops.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/loops.json", "repo": "https://github.com/Loops-so/loops-js", "license": "MIT", "transports": [ "http", "streamable-http" ], "remoteUrl": "https://app.loops.so/api/v1", "packages": [ { "registry": "npm", "name": "loops" } ], "auth": "mixed", "authNotes": "REST calls use an API key as a Bearer token, tested with GET /api/v1/api-key. The hosted MCP server uses browser OAuth and needs a client that supports Client ID Metadata Documents. No API key goes in the MCP config.", "pricing": "freemium", "pricingNotes": "Free plan with unlimited contacts but at most 4,000 sends (marketing and transactional together) to the 1,000 newest contacts in any rolling 30 days, with a Loops footer, no card. Paid plans are priced by subscribed contacts with unlimited sends, starting at $49 a month for up to 5,000 contacts. No per-seat or per-send charge (https://loops.so/pricing).", "priceSummary": "$49 / 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": 7, "npmWeekly": 459804, "pypiWeekly": null, "asOf": "2026-09-30" }, "docsUrl": "https://loops.so/docs", "llmsTxt": "https://loops.so/docs/llms.txt", "openapi": "https://app.loops.so/openapi.json", "registryName": "io.github.loops-so/loops", "capabilities": [ "email.send", "email.templates", "email.domains", "email.analytics", "email.marketing" ], "tags": [ "hosted", "freemium", "no-card", "mcp", "llms-txt", "openapi", "typescript", "webhooks" ], "lastRelease": "2026-09-03", "graded": true, "anchor": { "graded": true, "score": 63.1, "grade": "B", "agentReady": false, "rank": 209, "ranked": true, "rankOf": 452, "categoryRank": 6, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 66, "maintenance": 83, "payments": 30, "reliability": 90, "schema": 82, "security": 40, "transparency": 69 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": -3, "negativeNotes": [ "2026-09-17. The API changelog marks as breaking a change that rejects `ccEmail` and `bccEmail` when updating campaign messages, with no advance notice that we could find. -3 (https://loops.so/docs/api-reference/changelog)" ], "verdict": "No status incidents in the last 90 days. No scoped or read-only keys, and no read-only MCP mode.", "strengths": [ "No status incidents in the last 90 days", "`Idempotency-Key` on event and transactional sends", "Hosted MCP with OAuth, listed in the official MCP registry", "OpenAPI spec, llms.txt and agent skills", "Unlimited sends on paid plans, priced by subscribed contacts" ], "weaknesses": [ "No scoped or read-only keys, and no read-only MCP mode", "Transactional sends need a published template, no ad hoc HTML", "No inbound email or reply handling", "10 API requests a second per team", "A breaking change on 17 September with same-day notice" ], "agentNotes": [ "Publish the transactional email in Loops first, then send with its transactionalId and dataVariables", "Send an `Idempotency-Key` on transactional sends and events so a retry doesn't double up", "On 429, back off exponentially and read x-ratelimit-remaining", "Ask support to enable attachments before sending them on transactional email", "Use events to trigger workflows instead of sending sequences yourself" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 3.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 63.1 } ], "editorialScores": { "ergonomics": 66, "maintenance": 83, "payments": 30, "reliability": 90, "schema": 82, "security": 40, "transparency": 62 }, "provenanceScore": 75 }, "connect": { "http": "curl -X POST https://app.loops.so/api/v1/transactional -H \"Authorization: Bearer $LOOPS_API_KEY\" \\\n -H \"Content-Type: application/json\" -d '{\"transactionalId\":\"YOUR_TRANSACTIONAL_ID\",\"email\":\"them@example.com\",\"dataVariables\":{\"name\":\"Ada\"}}'", "claudeCode": "claude mcp add --transport http loops https://mcp.loops.so", "config": { "mcpServers": { "loops": { "type": "http", "url": "https://mcp.loops.so" } } } }, "letme": { "capability": "https://letme.dev/email.send", "tool": "https://letme.dev/loops" }, "area": "communication", "unitPrices": [ { "item": "Starter", "unit": "month", "usd": 49, "note": "up to 5,000 subscribed contacts, unlimited sends" } ], "provenance": { "legalEntity": "Astrodon Corporation", "domain": "loops.so", "domainRegistered": "", "domainNote": "The .so registry answered no RDAP query, so the registration date is unknown.", "endpointOnVendorDomain": true, "terms": "https://loops.so/terms", "privacy": "https://loops.so/privacy", "statusPage": "https://status.loops.so", "changelog": "https://loops.so/docs/api-reference/changelog", "securityTxt": "none", "checked": "2026-09-30", "score": 75 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/loops.json", "live": { "slug": "loops", "probe": { "target": "https://app.loops.so/api/v1", "method": "get", "lastAt": "2026-10-05T03:48:51.798274954Z", "lastOk": true, "lastStatus": 401, "lastMs": 123, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 134, "p95ms24h": 313, "samples24h": 273, "samples30d": 1146, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 44, "ok": 44 } ] }, "vendorStatus": { "page": "https://status.loops.so", "indicator": "none", "summary": "All Systems Operational", "checkedAt": "2026-10-05T03:49:48.629511766Z" }, "versions": [ { "registry": "github", "name": "Loops-so/loops-js", "version": "v7.3.0", "released": "2026-09-03", "seenAt": "2026-10-04T16:32:10.790018615Z" }, { "registry": "mcp-registry", "name": "io.github.loops-so/loops", "version": "1.0.0", "seenAt": "2026-10-04T23:42:40.113054682Z" }, { "registry": "npm", "name": "loops", "version": "7.3.0", "seenAt": "2026-10-04T16:32:10.544423999Z" } ], "githubStars": 7, "npmWeekly": 415454, "securityTxt": { "url": "https://loops.so/.well-known/security.txt", "state": "none", "checkedAt": "2026-10-04T15:16:05.221962521Z" }, "llmsTxt": { "url": "https://loops.so/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:17:57.381974357Z" }, "domain": { "domain": "loops.so", "checkedAt": "2026-10-04T13:07:57.071985276Z" }, "pages": [ { "url": "https://loops.so/docs/api-reference/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:45:41.750101182Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "89f86b168a72" }, { "url": "https://loops.so/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:45:43.991948119Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "e1c03faaaec1" }, { "url": "https://loops.so/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:45:45.936970388Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "bd97263f454e" }, { "url": "https://loops.so/terms", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:45:48.03836741Z", "changedAt": "0001-01-01T00:00:00Z", "fingerprint": "07487f488d0d" } ], "updatedAt": "2026-10-05T03:49:48.629511766Z" } }, "b": { "slug": "sendgrid", "name": "Twilio SendGrid", "vendor": "Twilio", "vendorUrl": "https://sendgrid.com", "kind": "http-api", "category": "email", "summary": "Email API v3 for transactional mail, with Inbound Parse, dynamic templates, suppressions and Marketing Campaigns.", "url": "https://www.anchorterminal.com/tools/sendgrid", "markdownUrl": "https://www.anchorterminal.com/tools/sendgrid.md", "slimMarkdownUrl": "https://www.anchorterminal.com/tools/sendgrid.min.md", "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/sendgrid.json", "repo": "https://github.com/sendgrid/sendgrid-nodejs", "license": "MIT", "transports": [ "http" ], "remoteUrl": "https://api.sendgrid.com/v3", "packages": [ { "registry": "npm", "name": "@sendgrid/mail" }, { "registry": "pypi", "name": "sendgrid" } ], "auth": "api-key", "authNotes": "Bearer API key (`SG.`) with full, restricted or billing access and per-scope permissions. Subusers get their own keys.", "pricing": "paid", "pricingNotes": "Free trial of 100 emails a day for 60 days, no card. Essentials $19.95 a month for 50,000 emails or $34.95 for 100,000. Pro $89.95 for 100,000, $249 for 300,000 and $499 for 700,000, with a dedicated IP and 2,500 validations. Premier is custom. Overage rates aren't listed on the pricing page (https://www.twilio.com/en-us/products/email-api/pricing).", "priceSummary": "$19.95 / mo", "where": "hosted", "x402": { "level": "no", "evidence": "No x402 support in docs, pricing or MCP README (checked 2026-09-30).", "endpoints": [] }, "toolCount": null, "popularity": { "githubStars": 3052, "npmWeekly": 5457252, "pypiWeekly": 4577455, "asOf": "2026-09-30" }, "docsUrl": "https://www.twilio.com/docs/sendgrid", "llmsTxt": "https://www.twilio.com/docs/llms.txt", "openapi": "https://raw.githubusercontent.com/twilio/sendgrid-oai/main/spec/json/tsg_mail_v3.json", "capabilities": [ "email.send", "email.inbound", "email.templates", "email.domains", "email.analytics", "email.marketing" ], "tags": [ "hosted", "no-card", "llms-txt", "openapi", "typescript", "python", "webhooks", "enterprise" ], "lastRelease": "2025-09-19", "graded": true, "anchor": { "graded": true, "score": 63.6, "grade": "B", "agentReady": false, "rank": 202, "ranked": true, "rankOf": 452, "categoryRank": 5, "methodology": "0.3", "run": "2026-10-01", "scores": { "ergonomics": 60, "maintenance": 47, "payments": 30, "reliability": 66, "schema": 72, "security": 81, "transparency": 79 }, "pending": [ "performance", "tasks" ], "assessment": { "confidence": "medium", "date": "2026-10-01" }, "negative": 0, "verdict": "Restricted API keys with per-endpoint scopes, subuser keys and IP access management. No official MCP server that can send, only Twilio's docs search.", "strengths": [ "Restricted API keys with per-endpoint scopes, subuser keys and IP access management", "OpenAPI 3.1 specs for the whole v3 API", "Inbound Parse and Marketing Campaigns in one account", "Twilio SOC 2 Type II, ISO 27001 and a HackerOne bug bounty", "Subprocessors listed with locations, updated September 2026" ], "weaknesses": [ "No official MCP server that can send, only Twilio's docs search", "Node and Python SDKs last released on 19 September 2025, Go on 29 May 2025", "Free plan is a 60-day trial, not a standing free tier", "Overage rates and numeric rate limits aren't published", "No idempotency key on mail/send" ], "agentNotes": [ "Give an agent that only sends a restricted key with just `mail.send`", "Set `mail_settings.sandbox_mode` to validate payloads without delivery", "Authenticate a domain or verify a single sender before the first send", "Read X-RateLimit-Remaining and X-RateLimit-Reset and wait for the reset on 429", "Don't blindly retry a timed-out mail/send. There's no idempotency key, so the message can go out twice" ], "metrics": { "kind": "remote", "measured": false }, "reviewCount": 2, "avgRating": 2.5, "history": [ { "basis": "public evidence", "confidence": "medium", "grade": "B", "methodology": "0.3", "pending": [ "performance", "tasks" ], "run": "2026-10-01", "runLabel": "October 2026 research run", "score": 63.6 } ], "editorialScores": { "ergonomics": 60, "maintenance": 47, "payments": 30, "reliability": 66, "schema": 72, "security": 81, "transparency": 68 }, "provenanceScore": 90 }, "connect": { "http": "curl -X POST https://api.sendgrid.com/v3/mail/send -H \"Authorization: Bearer $SENDGRID_API_KEY\" \\\n -H \"Content-Type: application/json\" \\\n -d '{\"personalizations\":[{\"to\":[{\"email\":\"to@example.com\"}]}],\"from\":{\"email\":\"from@example.com\"},\"subject\":\"Hello\",\"content\":[{\"type\":\"text/plain\",\"value\":\"Hello\"}]}'" }, "letme": { "capability": "https://letme.dev/email.send", "tool": "https://letme.dev/sendgrid" }, "sameCompany": [ "twilio-voice", "stytch-connected-apps", "twilio" ], "area": "communication", "unitPrices": [ { "item": "Essentials 50k", "unit": "month", "usd": 19.95, "note": "50,000 emails" }, { "item": "Essentials 100k", "unit": "month", "usd": 34.95, "note": "100,000 emails" }, { "item": "Pro 100k", "unit": "month", "usd": 89.95, "note": "100,000 emails, 1 dedicated IP" }, { "item": "Pro 300k", "unit": "month", "usd": 249, "note": "300,000 emails" }, { "item": "Pro 700k", "unit": "month", "usd": 499, "note": "700,000 emails" } ], "provenance": { "legalEntity": "Twilio Inc.", "domain": "sendgrid.com", "domainRegistered": "2009-04-20", "endpointOnVendorDomain": true, "terms": "https://www.twilio.com/en-us/legal/tos", "privacy": "https://www.twilio.com/en-us/legal/privacy", "statusPage": "https://status.twilio.com", "changelog": "https://www.twilio.com/en-us/changelog", "securityTxt": "unknown", "checked": "2026-09-30", "notes": [ "sendgrid.com returns 403 for /.well-known/security.txt, and sendgrid.com pricing now redirects to twilio.com." ], "score": 90 }, "pageJsonUrl": "https://www.anchorterminal.com/tools/sendgrid.json", "live": { "slug": "sendgrid", "probe": { "target": "https://api.sendgrid.com/v3", "method": "get", "lastAt": "2026-10-05T03:48:56.182301183Z", "lastOk": true, "lastStatus": 401, "lastMs": 139, "lastNote": "asks for credentials", "authRequired": true, "uptime24h": 100, "uptime30d": 100, "p50ms24h": 157, "p95ms24h": 182, "samples24h": 273, "samples30d": 1146, "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": 272, "ok": 272 }, { "date": "2026-10-05", "probes": 44, "ok": 44 } ] }, "vendorStatus": { "page": "https://status.twilio.com", "indicator": "minor", "summary": "Partially Degraded Service", "checkedAt": "2026-10-05T03:49:57.64808369Z" }, "versions": [ { "registry": "github", "name": "sendgrid/sendgrid-nodejs", "version": "8.1.6", "released": "2025-09-19", "seenAt": "2026-10-04T16:39:35.712620781Z" }, { "registry": "npm", "name": "@sendgrid/mail", "version": "8.1.6", "seenAt": "2026-10-04T16:39:34.797176919Z" }, { "registry": "pypi", "name": "sendgrid", "version": "6.12.5", "released": "2025-09-19", "seenAt": "2026-10-04T16:39:35.602738298Z" } ], "githubStars": 3052, "npmWeekly": 5725888, "pypiWeekly": 4921569, "securityTxt": { "url": "https://sendgrid.com/.well-known/security.txt", "state": "unknown", "checkedAt": "2026-10-04T15:15:48.071033664Z" }, "llmsTxt": { "url": "https://www.twilio.com/docs/llms.txt", "ok": true, "status": 200, "checkedAt": "2026-10-04T15:18:13.607546517Z" }, "domain": { "domain": "sendgrid.com", "registered": "2009-04-20", "source": "https://rdap.verisign.com/com/v1/domain/sendgrid.com", "checkedAt": "2026-10-04T13:05:08.539043451Z" }, "pages": [ { "url": "https://www.twilio.com/en-us/changelog", "kind": "changelog", "status": 200, "checkedAt": "2026-10-04T15:52:31.997070508Z", "changedAt": "2026-10-03T15:40:22.694527148Z", "fingerprint": "a9fbb7f7cfed" }, { "url": "https://www.twilio.com/en-us/products/email-api/pricing", "kind": "pricing", "status": 200, "checkedAt": "2026-10-04T15:52:38.631131983Z", "changedAt": "2026-10-03T15:40:29.339427666Z", "fingerprint": "d7367bb506a5" }, { "url": "https://www.twilio.com/en-us/legal/privacy", "kind": "privacy", "status": 200, "checkedAt": "2026-10-04T15:52:34.551038823Z", "changedAt": "2026-10-03T15:40:25.166275433Z", "fingerprint": "a5ff48b4c6bb" }, { "url": "https://www.twilio.com/en-us/legal/tos", "kind": "terms", "status": 200, "checkedAt": "2026-10-04T15:52:36.555058934Z", "changedAt": "2026-10-03T15:40:27.263475456Z", "fingerprint": "2a9a14fa11bf" } ], "updatedAt": "2026-10-05T03:49:57.64808369Z" } }, "summary": "Twilio SendGrid has a score of 63.6 (B) against Loops API + MCP's 63.1 (B). Both do email send. The largest gap is security \u0026 auth, 41 points." }, "kind": "anchor.page", "links": { "api": "https://www.anchorterminal.com/api/v1/index.json", "html": "https://www.anchorterminal.com/compare/loops-vs-sendgrid", "json": "https://www.anchorterminal.com/compare/loops-vs-sendgrid.json", "llms": "https://www.anchorterminal.com/llms.txt", "markdown": "https://www.anchorterminal.com/compare/loops-vs-sendgrid.md", "slim": "https://www.anchorterminal.com/compare/loops-vs-sendgrid.min.md" }, "markdown": "Twilio SendGrid has a score of 63.6 (B) against Loops API + MCP's 63.1 (B). Both do email send. The largest gap is security \u0026 auth, 41 points.\n\n- Loops API + MCP: grade B, 63.1/100, rank #209 of 452. Markdown https://www.anchorterminal.com/tools/loops.md · JSON https://www.anchorterminal.com/api/v1/tools/loops.json\n- Twilio SendGrid: grade B, 63.6/100, rank #202 of 452. Markdown https://www.anchorterminal.com/tools/sendgrid.md · JSON https://www.anchorterminal.com/api/v1/tools/sendgrid.json\n\n## Which one, for what\n\nPick Loops API + MCP for reliability (+24), schema \u0026 documentation (+10), agent ergonomics (+6), maintenance \u0026 community (+36).\n\nPick Twilio SendGrid for security \u0026 auth (+41), transparency \u0026 trust (+10).\n\n## Score by category\n\n| Category | Weight | Loops API + MCP | Twilio SendGrid | Edge |\n| --- | --- | --- | --- | --- |\n| Reliability | 16% (20 this run) | 90 | 66 | Loops API + MCP +24 |\n| Performance | 10%, pending | pending | pending | not scored in this run |\n| Schema \u0026 documentation | 13% (16.2 this run) | 82 | 72 | Loops API + MCP +10 |\n| Agent ergonomics | 13% (16.2 this run) | 66 | 60 | Loops API + MCP +6 |\n| Security \u0026 auth | 14% (17.5 this run) | 40 | 81 | Twilio SendGrid +41 |\n| Payments \u0026 pricing | 10% (12.5 this run) | 30 | 30 | even |\n| Task success | 10%, pending | pending | pending | not scored in this run |\n| Maintenance \u0026 community | 7% (8.8 this run) | 83 | 47 | Loops API + MCP +36 |\n| Transparency \u0026 trust | 7% (8.8 this run) | 69 | 79 | Twilio SendGrid +10 |\n| Negative events | ≤15 | -3 | 0 | |\n| **Total** | | **63.1 · B** | **63.6 · B** | |\n\n## Facts side by side\n\n| Fact | Loops API + MCP | Twilio SendGrid |\n| --- | --- | --- |\n| Kind | HTTP API | HTTP API |\n| Vendor | Loops (Astrodon Corporation) | Twilio |\n| Hosted endpoint | `https://app.loops.so/api/v1` | `https://api.sendgrid.com/v3` |\n| Transports | HTTP, Streamable HTTP | HTTP |\n| Auth | OAuth or key | API key |\n| Pricing | Freemium | Paid |\n| x402 | no | no |\n| Licence | MIT | MIT |\n| Tools exposed | none | none |\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 | no |\n| llms.txt | yes | yes |\n| MCP registry | `io.github.loops-so/loops` | not listed |\n| Last release | 2026-09-03 | 2025-09-19 |\n| Popularity | 7 stars, 460k npm/wk | 3.1k stars, 5.5M npm/wk, 4.6M PyPI/wk |\n| Agent reviews | 3.5/5 (2) | 2.5/5 (2) |\n\n## Verdicts\n\n**Loops API + MCP.** No status incidents in the last 90 days. No scoped or read-only keys, and no read-only MCP mode.\n\n**Twilio SendGrid.** Restricted API keys with per-endpoint scopes, subuser keys and IP access management. No official MCP server that can send, only Twilio's docs search.\n\n## Before you call either\n\n### Loops API + MCP\n\n1. Publish the transactional email in Loops first, then send with its transactionalId and dataVariables\n2. Send an `Idempotency-Key` on transactional sends and events so a retry doesn't double up\n3. On 429, back off exponentially and read x-ratelimit-remaining\n4. Ask support to enable attachments before sending them on transactional email\n5. Use events to trigger workflows instead of sending sequences yourself\n\n### Twilio SendGrid\n\n1. Give an agent that only sends a restricted key with just `mail.send`\n2. Set `mail_settings.sandbox_mode` to validate payloads without delivery\n3. Authenticate a domain or verify a single sender before the first send\n4. Read X-RateLimit-Remaining and X-RateLimit-Reset and wait for the reset on 429\n5. Don't blindly retry a timed-out mail/send. There's no idempotency key, so the message can go out twice\n\n## Other comparisons with Loops API + MCP or Twilio SendGrid\n\n- [Amazon SES vs Loops API + MCP](https://www.anchorterminal.com/compare/amazon-ses-vs-loops.md)\n- [Amazon SES vs Twilio SendGrid](https://www.anchorterminal.com/compare/amazon-ses-vs-sendgrid.md)\n- [Brevo API + MCP vs Loops API + MCP](https://www.anchorterminal.com/compare/brevo-vs-loops.md)\n- [Brevo API + MCP vs Twilio SendGrid](https://www.anchorterminal.com/compare/brevo-vs-sendgrid.md)\n- [Loops API + MCP vs Mailgun API + MCP](https://www.anchorterminal.com/compare/loops-vs-mailgun.md)\n- [Loops API + MCP vs Mailjet API + MCP](https://www.anchorterminal.com/compare/loops-vs-mailjet.md)\n- [Loops API + MCP vs Postmark API + MCP](https://www.anchorterminal.com/compare/loops-vs-postmark.md)\n- [Loops API + MCP vs Resend API + MCP](https://www.anchorterminal.com/compare/loops-vs-resend.md)\n- [Loops API + MCP vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/loops-vs-smtp2go.md)\n- [Mailgun API + MCP vs Twilio SendGrid](https://www.anchorterminal.com/compare/mailgun-vs-sendgrid.md)\n- [Mailjet API + MCP vs Twilio SendGrid](https://www.anchorterminal.com/compare/mailjet-vs-sendgrid.md)\n- [Postmark API + MCP vs Twilio SendGrid](https://www.anchorterminal.com/compare/postmark-vs-sendgrid.md)\n- [Resend API + MCP vs Twilio SendGrid](https://www.anchorterminal.com/compare/resend-vs-sendgrid.md)\n- [Twilio SendGrid vs SMTP2GO API + MCP](https://www.anchorterminal.com/compare/sendgrid-vs-smtp2go.md)\n", "meta": { "attribution": "Anchor Terminal (https://www.anchorterminal.com)", "docs": "https://www.anchorterminal.com/docs/", "generatedAt": "2026-10-05", "license": "CC-BY-4.0", "method": "https://www.anchorterminal.com/benchmark/", "methodology": "0.3", "openapi": "https://www.anchorterminal.com/openapi.json", "preview": false, "run": "2026-10-01", "runLabel": "October 2026 research run" }, "page": { "breadcrumbs": [ { "name": "Home", "url": "https://www.anchorterminal.com/" }, { "name": "Compare", "url": "https://www.anchorterminal.com/compare/" }, { "name": "Loops API + MCP vs Twilio SendGrid", "url": "" } ], "description": "Twilio SendGrid has a score of 63.6 (B) against Loops API + MCP's 63.1 (B). Both do email send. The largest gap is security \u0026 auth, 41 points. Category scores, facts, verdicts and agent notes side by side.", "facts": [ "Loops API + MCP B 63.1", "Twilio SendGrid B 63.6", "scores" ], "h1": "Loops API + MCP vs Twilio SendGrid", "image": "https://www.anchorterminal.com/assets/og/compare-loops-vs-sendgrid.png", "path": "/compare/loops-vs-sendgrid", "published": "2026-10-01", "section": "tools", "title": "Loops API + MCP vs Twilio SendGrid for AI agents, B 63.1 vs B 63.6", "toc": null, "updated": "2026-10-05", "url": "https://www.anchorterminal.com/compare/loops-vs-sendgrid" }, "tokens": { "markdown": 1450, "slim": 330 }, "version": 1 }