{"uid":"cap__RYTbE1nYw-qo8oXgKKZj","slug":"spf-authorizes-slack-checker-bfed4ba6","name":"SPF Authorizes Slack Checker","description":"Does the domain's SPF record authorise slack to send its mail? Reads the SPF TXT record (Cloudflare DoH) and checks for slack's include/ip mechanisms, returning yes/no, the matching mechanism and the full record. Confirms a vendor integration is wired for deliverability, or spots an unexpected sender. $0.01 per lookup.","url":"https://email.intel.rallylive.ca/email/spf-authorizes/slack?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6SrP9OAcmruOzLvHsV0hG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether a domain's SPF record authorizes Slack to send email on its behalf, returning yes/no, the matching mechanism, and the full SPF record.","exampleAgentPrompt":"Can you check whether rallylive.ca's SPF record authorizes Slack to send email on its behalf — I want to confirm the Slack email integration is properly set up for deliverability.","exampleUseCases":[{"title":"Slack email deliverability audit","prompt":"We just set up Slack email notifications for our domain techcorp.io — can you check if the SPF record actually authorizes Slack to send on our behalf so we know emails won't land in spam?"},{"title":"Unexpected sender investigation","prompt":"We're seeing emails that claim to be from our domain acmeinc.com sent via Slack — can you check our SPF record to confirm whether Slack is actually authorized, or if something looks off?"},{"title":"Pre-launch vendor integration check","prompt":"Before we go live with our Slack-based alerting system for clientfirm.com, can you verify that our SPF record includes Slack as an authorized sender so transactional emails get delivered correctly?"}],"resultDescription":"Returns a yes/no result indicating whether Slack is authorized by the domain's SPF record, the specific SPF mechanism that matched (e.g. include:mail.slack.com or an IP range), and the complete raw SPF TXT record retrieved via Cloudflare DNS-over-HTTPS.","failureModes":["Domain has no SPF TXT record — returns no authorization with empty record","Domain does not exist (NXDOMAIN) — DNS lookup fails","SPF record is malformed or exceeds DNS lookup limit — parsing may be incomplete","Network or Cloudflare DoH unavailability causes lookup timeout","Payment not processed (x402) — request blocked before lookup occurs"],"whenToPreferThis":"Use this endpoint when you need to specifically confirm whether Slack is an authorized email sender for a domain — ideal for auditing vendor email integrations, troubleshooting Slack notification deliverability, or detecting unauthorized senders. Prefer this single-domain endpoint for one-off checks; use the bulk sibling endpoint if checking multiple domains at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:45:07.513Z","isFirstParty":false,"canonicalSlug":"spf-authorizes-slack-checker-bfed4ba6"}