inference · Listed · Tempo · Found · 64 endpoints · Not used for Gateway
Apollo API
AgentMail
Create a new draft in an inbox. The draft can be edited later and sent with Send Draft.
Not used for Gateway
Catalogued so agents know it is dead/unreachable — Gateway will not route it. Still catalogued — dead/unreachable knowledge is index value. (Degraded — catalogued (dead/unreachable known) · not used for Gateway)
Indexed from this operator's public /.well-known/x402.json. Found is not operator-owned and is not attested. Claim or opt out.
Agent Read · Cleared Index
SKIP
Skip until Cleared checks or settle mesh clear.
confidence
90%
source
signal
Index before you pay. Same payload for agents:
GET /api/cleared/agent-read?slug=cat-mpp-orthogonal-com-mpp
When to call
- Budget between $0.00 and $2.29 per call on published endpoints.
- Create a new draft in an inbox. The draft can be edited later and sent with Send Draft.
Risks
- Found — not operator-owned; claim status unknown.
- No Cleared settlement receipt on file yet.
- Uptime not yet marked stable.
- Endpoint response check pending or failed.
Price posture
Published 64 endpoints from $0.00 to $2.29.
Category · Gateway
inference · no Gateway routes yet — early / unproven on Cleared market share.
Endpoint hints
POST /agentmail/v0/inboxes/:inbox_id/draftsCreate a new draft in an inbox. The draft can be edited later and sent with Send Draft.
POST /agentmail/v0/inboxesCreate a new email inbox. Inboxes cost $2/month. Inboxes with no API activity for 30+ days are automatically deleted
POST /agentmail/v0/inboxes/:inbox_id/messages/:message_id/forwardForward a message to new recipients. Includes the original message content and any attachments.
POST /agentmail/v0/inboxes/:inbox_id/messages/:message_id/replyReply to a specific message. Automatically sets In-Reply-To and References headers for proper threading.
POST /agentmail/v0/inboxes/:inbox_id/messages/:message_id/reply-allReply to all recipients of a message. Includes all original To and CC recipients automatically.
POST /agentmail/v0/inboxes/:inbox_id/messages/sendSend an email message from an inbox. At least one recipient (to, cc, or bcc) is required. Returns the message_id and
POST /apollo/api/v1/people/matchEnrich a person by email, LinkedIn URL, name+company, or other identifiers. Returns contact details, job info, and
POST /apollo/api/v1/mixed_companies/searchSearch Apollo database for companies matching filters. Returns up to 100 results per page.
Evidence (Cleared)
- → Intake degraded · not used for Gateway
- → Trust 0/100 · fail · tier listed
- → Protocol mpp · Tempo
- → Manifest pending · schema partial
- → Found listing — indexed from public x402.json, not operator-attested.
Endpoints
AgentMail via Orthogonal: Create a new draft in an inbox. The draft can be edited later and sent with Send Draft.
$0.01POST https://mpp.orthogonal.com/agentmail/v0/inboxes/:inbox_id/draftsCreate a new draft in an inbox. The draft can be edited later and sent with Send Draft.
AgentMail via Orthogonal: Create a new email inbox. Inboxes cost $2/month. Inboxes with no API activity for 30+ days are automatically deleted
$2POST https://mpp.orthogonal.com/agentmail/v0/inboxesCreate a new email inbox. Inboxes cost $2/month. Inboxes with no API activity for 30+ days are automatically deleted
AgentMail via Orthogonal: Forward a message to new recipients. Includes the original message content and any attachments.
$0.01POST https://mpp.orthogonal.com/agentmail/v0/inboxes/:inbox_id/messages/:message_id/forwardForward a message to new recipients. Includes the original message content and any attachments.
AgentMail via Orthogonal: Reply to a specific message. Automatically sets In-Reply-To and References headers for proper threading.
$0.01POST https://mpp.orthogonal.com/agentmail/v0/inboxes/:inbox_id/messages/:message_id/replyReply to a specific message. Automatically sets In-Reply-To and References headers for proper threading.
AgentMail via Orthogonal: Reply to all recipients of a message. Includes all original To and CC recipients automatically.
$0.01POST https://mpp.orthogonal.com/agentmail/v0/inboxes/:inbox_id/messages/:message_id/reply-allReply to all recipients of a message. Includes all original To and CC recipients automatically.
AgentMail via Orthogonal: Send an email message from an inbox. At least one recipient (to, cc, or bcc) is required. Returns the message_id and
$0.01POST https://mpp.orthogonal.com/agentmail/v0/inboxes/:inbox_id/messages/sendSend an email message from an inbox. At least one recipient (to, cc, or bcc) is required. Returns the message_id and
Apollo API: Enrich a person by email, LinkedIn URL, name+company, or other identifiers. Returns contact details, job info, and
$0.01POST https://mpp.orthogonal.com/apollo/api/v1/people/matchEnrich a person by email, LinkedIn URL, name+company, or other identifiers. Returns contact details, job info, and
Apollo API: Search Apollo database for companies matching filters. Returns up to 100 results per page.
$0.01POST https://mpp.orthogonal.com/apollo/api/v1/mixed_companies/searchSearch Apollo database for companies matching filters. Returns up to 100 results per page.
Aviato: Get a person's email addresses.
$0.04GET https://mpp.orthogonal.com/aviato/person/emailGet a person's email addresses.
Aviato: Get comments for a LinkedIn post.
$0.08GET https://mpp.orthogonal.com/aviato/social/post/:postUrn/commentsGet comments for a LinkedIn post.
Aviato: Get enriched details on a company. Pass any identifier (id, linkedinURL, website, etc.).
$0.12GET https://mpp.orthogonal.com/aviato/company/enrichGet enriched details on a company. Pass any identifier (id, linkedinURL, website, etc.).
Aviato: Get enriched details on a person. Pass any identifier.
$0.03GET https://mpp.orthogonal.com/aviato/person/enrichGet enriched details on a person. Pass any identifier.
Aviato: Get posts from a company's LinkedIn page.
$0.08GET https://mpp.orthogonal.com/aviato/social/company/postsGet posts from a company's LinkedIn page.
Aviato: Get posts from a person's LinkedIn profile.
$0.08GET https://mpp.orthogonal.com/aviato/social/person/postsGet posts from a person's LinkedIn profile.
Aviato: Get reactions for a LinkedIn post.
$0.08GET https://mpp.orthogonal.com/aviato/social/post/:postUrn/reactionsGet reactions for a LinkedIn post.
Aviato: Get reshares for a LinkedIn post.
$0.08GET https://mpp.orthogonal.com/aviato/social/post/:postUrn/resharesGet reshares for a LinkedIn post.
Aviato: Start generating a market map to find similar companies. Supply name+website or an Aviato company ID.
$0.2POST https://mpp.orthogonal.com/aviato/marketmap/generateStart generating a market map to find similar companies. Supply name+website or an Aviato company ID.
Bytemine: Enrich a company by name, website, LinkedIn URL, or company_id. Returns full profile with description, industries
$0.03POST https://mpp.orthogonal.com/bytemine/b2b-enrichEnrich a company by name, website, LinkedIn URL, or company_id. Returns full profile with description, industries
Bytemine: Enrich a single contact by email, phone, LinkedIn, Facebook, or name+company. Returns full profile with work email
$0.03POST https://mpp.orthogonal.com/bytemine/contacts/enrichEnrich a single contact by email, phone, LinkedIn, Facebook, or name+company. Returns full profile with work email
Bytemine: Search companies by name, industry, NAICS code, keywords, location, employee count. 1 credit per company returned.
$0.00POST https://mpp.orthogonal.com/bytemine/b2b-searchSearch companies by name, industry, NAICS code, keywords, location, employee count. 1 credit per company returned.
Bytemine: Search real-time M&A/acquisition signals with filters for acquirer, amount, industry, date, and more. 1 credit per
$0.00POST https://mpp.orthogonal.com/bytemine/signals/acquisitionsSearch real-time M&A/acquisition signals with filters for acquirer, amount, industry, date, and more. 1 credit per
Bytemine: Search real-time funding signals with filters for round type, amount, investor, industry, date, employee count, and
$0.00POST https://mpp.orthogonal.com/bytemine/signals/fundingSearch real-time funding signals with filters for round type, amount, investor, industry, date, employee count, and
Bytemine: Search the prospect database using filters like job title, seniority, industry, location, company size, and more
$0.00POST https://mpp.orthogonal.com/bytemine/contacts/searchSearch the prospect database using filters like job title, seniority, industry, location, company size, and more
CaptainData: List employees of a given company. Returns paginated results. The company_uid path parameter is the LinkedIn company ID
$2.29GET https://mpp.orthogonal.com/captaindata/companies/:company_uid/employeesList employees of a given company. Returns paginated results. The company_uid path parameter is the LinkedIn company ID
Company Enrich: Enrich a company by its properties when you don't have a domain. Requires at least one of: name, LinkedIn URL, LinkedIn
$0.0123POST https://mpp.orthogonal.com/company-enrich/companies/enrichEnrich a company by its properties when you don't have a domain. Requires at least one of: name, LinkedIn URL, LinkedIn
Company Enrich: Get workforce insights for a company. Returns observed employee count, employee range bucket, and headcounts broken
$0.0612GET https://mpp.orthogonal.com/company-enrich/companies/workforceGet workforce insights for a company. Returns observed employee count, employee range bucket, and headcounts broken
ContactOut: Enrich a person using multiple data points (name, email, phone, LinkedIn, company).
$0.55POST https://mpp.orthogonal.com/contactout/v1/people/enrichEnrich a person using multiple data points (name, email, phone, LinkedIn, company).
Context.dev: Beta feature: Extract product information from a brand's website. We will analyze the website and return a list of
$0.03POST https://mpp.orthogonal.com/context-dev/brand/ai/productsBeta feature: Extract product information from a brand's website. We will analyze the website and return a list of
Coresignal: Get a cleaned, deduplicated company profile by its Coresignal numeric ID. Use IDs returned by the search endpoints or
$0.042GET https://mpp.orthogonal.com/coresignal/v2/company_clean/collect/:company_idGet a cleaned, deduplicated company profile by its Coresignal numeric ID. Use IDs returned by the search endpoints or
Coresignal: Get a cleaned, deduplicated employee profile by its Coresignal numeric ID. Use IDs returned by the search endpoints
$0.042GET https://mpp.orthogonal.com/coresignal/v2/employee_clean/collect/:employee_idGet a cleaned, deduplicated employee profile by its Coresignal numeric ID. Use IDs returned by the search endpoints
Coresignal: Get a comprehensive multi-source employee profile by their professional network URL. Pass the URL-encoded profile URL
$0.084GET https://mpp.orthogonal.com/coresignal/v2/employee_multi_source/collect/:profile_urlGet a comprehensive multi-source employee profile by their professional network URL. Pass the URL-encoded profile URL
Coresignal: Get a full company profile by its Coresignal numeric ID. Use IDs returned by the 'Base Company Search (Filter)' or
$0.042GET https://mpp.orthogonal.com/coresignal/v2/company_base/collect/:company_idGet a full company profile by its Coresignal numeric ID. Use IDs returned by the 'Base Company Search (Filter)' or
Coresignal: Get a full employee profile by their professional network URL. Pass the URL-encoded profile URL in the path. Returns
$0.042GET https://mpp.orthogonal.com/coresignal/v2/employee_base/collect/:profile_urlGet a full employee profile by their professional network URL. Pass the URL-encoded profile URL in the path. Returns
Coresignal: Get a full employee/professional profile by its Coresignal numeric ID. Use IDs returned by the 'Base Employee Search
$0.042GET https://mpp.orthogonal.com/coresignal/v2/employee_base/collect/:employee_idGet a full employee/professional profile by its Coresignal numeric ID. Use IDs returned by the 'Base Employee Search
Coresignal: Get a full job listing by its Coresignal numeric ID. Use IDs returned by the 'Base Jobs Search (Filter)' or Preview
$0.042GET https://mpp.orthogonal.com/coresignal/v2/job_base/collect/:job_idGet a full job listing by its Coresignal numeric ID. Use IDs returned by the 'Base Jobs Search (Filter)' or Preview
Coresignal: Get a full professional network post by its numeric post ID. Use IDs returned by the 'Employee Posts Search (Filter)'
$0.042GET https://mpp.orthogonal.com/coresignal/v2/employee_post/collect/:post_idGet a full professional network post by its numeric post ID. Use IDs returned by the 'Employee Posts Search (Filter)'
Coresignal: Get the most comprehensive company profile by its Coresignal numeric ID. Multi-source data is aggregated from
$0.084GET https://mpp.orthogonal.com/coresignal/v2/company_multi_source/collect/:company_idGet the most comprehensive company profile by its Coresignal numeric ID. Multi-source data is aggregated from
Coresignal: Get the most comprehensive employee profile by its Coresignal numeric ID. Multi-source data is aggregated from multiple
$0.084GET https://mpp.orthogonal.com/coresignal/v2/employee_multi_source/collect/:employee_idGet the most comprehensive employee profile by its Coresignal numeric ID. Multi-source data is aggregated from multiple
Coresignal: Preview company search results with summary data. Pass filters in the request body. Returns matching companies with key
$0.021POST https://mpp.orthogonal.com/coresignal/v2/company_base/search/filter/previewPreview company search results with summary data. Pass filters in the request body. Returns matching companies with key
Coresignal: Preview employee search results with summary data. Pass filters in the request body. Returns matching professionals
$0.021POST https://mpp.orthogonal.com/coresignal/v2/employee_base/search/filter/previewPreview employee search results with summary data. Pass filters in the request body. Returns matching professionals
Coresignal: Preview job search results with summary data. Pass filters in the request body. Returns matching jobs with key fields
$0.021POST https://mpp.orthogonal.com/coresignal/v2/job_base/search/filter/previewPreview job search results with summary data. Pass filters in the request body. Returns matching jobs with key fields
Coresignal: Search for companies using filters passed in the request body. Returns an array of numeric Coresignal company IDs
$0.021POST https://mpp.orthogonal.com/coresignal/v2/company_base/search/filterSearch for companies using filters passed in the request body. Returns an array of numeric Coresignal company IDs
Coresignal: Search for job listings using filters passed in the request body. Returns an array of numeric Coresignal job IDs (e.g
$0.021POST https://mpp.orthogonal.com/coresignal/v2/job_base/search/filterSearch for job listings using filters passed in the request body. Returns an array of numeric Coresignal job IDs (e.g
Coresignal: Search for professional network posts using filters like author profile URL or keywords. Pass filters in the request
$0.021POST https://mpp.orthogonal.com/coresignal/v2/employee_post/search/filterSearch for professional network posts using filters like author profile URL or keywords. Pass filters in the request
Coresignal: Search for professionals/employees using filters passed in the request body. Returns an array of numeric Coresignal
$0.021POST https://mpp.orthogonal.com/coresignal/v2/employee_base/search/filterSearch for professionals/employees using filters passed in the request body. Returns an array of numeric Coresignal
Crustdata: Enrich one or more companies by domain, name, or Crustdata company ID. Returns comprehensive firmographic data
$0.00GET https://mpp.orthogonal.com/crustdata/screener/companyEnrich one or more companies by domain, name, or Crustdata company ID. Returns comprehensive firmographic data
Crustdata: Enrich one or more individuals by LinkedIn URL or business email. Returns employment history, education, skills
$1.563GET https://mpp.orthogonal.com/crustdata/screener/person/enrichEnrich one or more individuals by LinkedIn URL or business email. Returns employment history, education, skills
Fantastic Jobs: Catalog of every organization tracked across ATS sources. ~50MB payload, refreshed daily at 02:00 UTC.
$0.01GET https://mpp.orthogonal.com/fantastic-jobs/v1/ats-organizationsCatalog of every organization tracked across ATS sources. ~50MB payload, refreshed daily at 02:00 UTC.
Fantastic Jobs: Deep company profiles: LinkedIn, Crunchbase funding, Glassdoor ratings, headcount/revenue timeseries, news. Refreshed
$0.01GET https://mpp.orthogonal.com/fantastic-jobs/v1/ats-organizations-advancedDeep company profiles: LinkedIn, Crunchbase funding, Glassdoor ratings, headcount/revenue timeseries, news. Refreshed
Fiber AI API: Combined people and company search with pagination. Returns both companies and profiles matching filters. Charged per
$0.00POST https://mpp.orthogonal.com/fiber/v1/combined-search/paginatedCombined people and company search with pagination. Returns both companies and profiles matching filters. Charged per
Fiber AI API: Fetches popular TikTok creators, optionally filtered by country.
$0.04POST https://mpp.orthogonal.com/fiber/v1/tiktok/popular-creatorsFetches popular TikTok creators, optionally filtered by country.
Fiber AI API: Fetches popular TikTok songs.
$0.04POST https://mpp.orthogonal.com/fiber/v1/tiktok/popular-songsFetches popular TikTok songs.
Fiber AI API: Fetches the TikTok trending feed.
$0.04POST https://mpp.orthogonal.com/fiber/v1/tiktok/trending-feedFetches the TikTok trending feed.
Fiber AI API: Fetches trending TikTok hashtags.
$0.04POST https://mpp.orthogonal.com/fiber/v1/tiktok/popular-hashtagsFetches trending TikTok hashtags.
Fiber AI API: Get count of profiles matching search filters. Use to estimate result sizes before running a full search.
$0.02POST https://mpp.orthogonal.com/fiber/v1/people-search/countGet count of profiles matching search filters. Use to estimate result sizes before running a full search.
Fiber AI API: Search for a company using a variety of parameters such as LinkedIn slug, LinkedIn URL, name, etc. Returns complete
$0.00POST https://mpp.orthogonal.com/fiber/v1/kitchen-sink/companySearch for a company using a variety of parameters such as LinkedIn slug, LinkedIn URL, name, etc. Returns complete
Fiber AI API: Search for a person using a variety of parameters such as LinkedIn slug, LinkedIn URL, or their current company
$0.00POST https://mpp.orthogonal.com/fiber/v1/kitchen-sink/personSearch for a person using a variety of parameters such as LinkedIn slug, LinkedIn URL, or their current company
Fiber AI API: Search for people using filters
$0.00POST https://mpp.orthogonal.com/fiber/v1/people-searchSearch for people using filters
Fundable: Get company by id, includes latest funding round
$0.066GET https://mpp.orthogonal.com/fundable/companyGet company by id, includes latest funding round
Fundable: Get entire funding history for a company
$0.00GET https://mpp.orthogonal.com/fundable/company/dealsGet entire funding history for a company
Fundable: Get investment firm's portfolio of investments
$0.00GET https://mpp.orthogonal.com/fundable/investor/dealsGet investment firm's portfolio of investments
Fundable: Get investor by id
$0.066GET https://mpp.orthogonal.com/fundable/investorGet investor by id
Fundable: Search for an investor id using fuzzy match or other identifiers
$0.011GET https://mpp.orthogonal.com/fundable/investor/searchSearch for an investor id using fuzzy match or other identifiers
Fundable: Search for companies using filters, includes latest funding round
$0.00POST https://mpp.orthogonal.com/fundable/companiesSearch for companies using filters, includes latest funding round
Checks
pending
partial
2026-08-24T20:34:41.308Z
Intake degraded · Degraded — do not route · probed 0/3 · Manifest HTTP 404. Listed anyway. | No settlement evidence found in chain signals.
Claim this listing to upgrade to Cleared attestation.
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