{"uid":"cap_Fg49E-kOQ1VxfYq0xz-pn","slug":"spf-authorizes-postmark-bulk-checker-bce4b829","name":"SPF Authorizes Postmark Bulk Checker","description":"Bulk spf authorizes postmark: up to 20 domains in one call, processed concurrently, results in input order with a per-item error field and a failure count. Same answer per item as the single endpoint. Batch enrichment for agents that hold a list. $0.10 per batch.","url":"https://email.intel.rallylive.ca/bulk/email/spf-authorizes/postmark?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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":"0.1","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":"$0.1/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.1","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_U5AT2Pmx9dt2F6PJwqdoK","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.1","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether SPF records for up to 20 domains authorize Postmark as a sending service, processing all domains concurrently in a single batch call.","exampleAgentPrompt":"Check whether Postmark is authorized to send email for all of these domains via SPF: acme.com, betacorp.io, gammaworks.net, deltatech.co, and 10 more from my list — I need results for all of them at once with any errors flagged per domain.","exampleUseCases":[{"title":"Email platform SPF audit for customer domains","prompt":"I have a list of 15 customer domains onboarded to our Postmark account — can you check all of them at once to see which ones have a valid SPF record that authorizes Postmark?"},{"title":"Pre-send deliverability validation for bulk campaign","prompt":"Before we launch this email campaign, verify that all 18 sender domains in our list are properly configured to allow Postmark in their SPF records, and flag any that aren't."},{"title":"Onboarding check for new SaaS tenants","prompt":"We just added 12 new tenants who should be sending via Postmark — run a batch SPF authorization check on all their domains and tell me which ones are missing Postmark from their SPF."}],"resultDescription":"An ordered array of results matching the input domain list, where each item contains the SPF authorization status for Postmark (same answer as the single-domain endpoint), a per-item error field if the check failed, and an overall failure count for the batch.","failureModes":["Exceeding the 20-domain batch limit may result in an error or truncation","Domains with missing or malformed SPF records may return per-item errors","DNS lookup failures for individual domains are captured in the per-item error field rather than failing the whole batch","Payment failure (x402) if USDC balance is insufficient for the $0.10 batch charge"],"whenToPreferThis":"Use this endpoint when you have a list of 2–20 domains and need to check SPF authorization for Postmark on all of them efficiently in a single call, rather than making individual requests per domain. Prefer it over the single-domain endpoint to reduce latency and cost overhead when batch processing domain lists.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:45:52.404Z","isFirstParty":false,"canonicalSlug":"spf-authorizes-postmark-bulk-checker-bce4b829"}