anthropic
partialClaude models over a JSON API.
do not publish an API spec, so fields are invisible to us.
api.anthropic.com anthropic @anthropic-ai/sdk
68 of 68 in the register
AI and models6
cohere
Embeddings, rerank and generation models.
api.cohere.com cohere cohere-ai
elevenlabs
Speech synthesis and voice cloning.
api.elevenlabs.io elevenlabs
groq
partialLow-latency inference for open models.
do not publish an API spec, so fields are invisible to us.
api.groq.com groq groq-sdk
openai
GPT models, embeddings and audio.
api.openai.com openai
openai.com · spec · changelog
retell
partialVoice agents over telephony.
do not publish an API spec, so fields are invisible to us.
api.retellai.com retell-sdk retell-client-js-sdk
Search and flags2
algolia
Hosted search indices and queries.
*.algolia.net *.algolianet.com algoliasearch
launchdarkly
Feature flags and experiments.
app.launchdarkly.com launchdarkly-server-sdk launchdarkly-node-server-sdk
Communication8
intercom
Conversations, contacts and help articles.
api.intercom.io python-intercom intercom-client
klaviyo
Email and SMS marketing automation.
a.klaviyo.com klaviyo-api
mailchimp
Campaigns, audiences and automations.
*.api.mailchimp.com mailchimp-marketing @mailchimp/mailchimp_marketing
resend
Transactional email delivery.
api.resend.com resend
sendgrid
Transactional and marketing email.
api.eu.sendgrid.com api.sendgrid.com sendgrid @sendgrid/client
slack
Messages, channels and workflows.
telnyx
Voice, messaging and phone numbers.
api.telnyx.com telnyx
twilio
SMS, voice and verification.
api.twilio.com twilio
twilio.com · spec · changelog
Developer infrastructure5
cloudflare
DNS, CDN, Workers and zone configuration.
api.cloudflare.com cloudflare
github
Repositories, issues, pull requests and checks.
api.github.com pygithub @octokit/core
github.com · spec · changelog
neon
Serverless Postgres, branched per environment.
supabase
Postgres, auth and object storage.
api.supabase.com
vercel
Deployments, projects and domains.
api.vercel.com @vercel/sdk
Payments and commerce6
increase
Bank accounts, transfers and cards.
api.increase.com increase
paddle
Checkout, subscriptions and sales tax.
api.paddle.com sandbox-api.paddle.com @paddle/paddle-node-sdk
plaid
Bank account, balance and transaction data.
revenuecat
In-app subscriptions and entitlements.
api.revenuecat.com @revenuecat/purchases-capacitor
shopify
partialOrders, products and inventory.
publishes an OpenAPI spec for its GraphQL API, but not for the REST Admin API, so fields are invisible to us.
myshopify.com shopifyapi @shopify/admin-api-client
stripe
Payments, subscriptions and payouts.
api.stripe.com stripe
stripe.com · spec · changelog
Observability4
datadog
Metrics, logs, monitors and dashboards.
api.datadoghq.com api.us3.datadoghq.com datadog-api-client @datadog/datadog-api-client
pagerduty
Incidents, schedules and escalations.
api.pagerduty.com pdpyras @pagerduty/pdjs
posthog
Product analytics, events and feature flags.
us.posthog.com eu.posthog.com posthog posthog-node
sentry
Error tracking, traces and releases.
Business systems7
asana
Tasks, projects and workspaces.
bamboohr
Employee records, time off and payroll.
bamboohr.com
box
Files, folders and sharing.
clerk
Authentication, sessions and user management.
figma
Design files, components and comments.
notion
Pages, databases and blocks.
api.notion.com notion-client @notionhq/client
xero
Invoices, contacts and ledgers.
Everything else30
adyen
auth0
basecamp
3.basecampapi.com
bitbucket
api.bitbucket.org atlassian-python-api bitbucket
cal-com
chargebee
*.chargebee.com chargebee
circleci
circleci.com
coda
digitalocean
api.digitalocean.com python-digitalocean dots-wrapper
discord
discord.com discord.py discord.js
discord.com · spec · changelog
docusign
demo.docusign.net www.docusign.net docusign-esign
dwolla
api.dwolla.com api-sandbox.dwolla.com dwollav2 dwolla-v2
dwolla.com · spec · changelog
jira
*.atlassian.net jira jira-client
linode
api.linode.com linode-api4 @linode/api-v4
lithic
api.lithic.com lithic
lithic.com · spec · changelog
marqeta
marqeta.com
metronome
api.metronome.com metronome-sdk @metronome/sdk
modern-treasury
app.moderntreasury.com modern-treasury
mollie
api.mollie.com mollie-api-python @mollie/api-client
mollie.com · spec · changelog
mx
nutshell
app.nutshell.com
pipedrive
api.pipedrive.com pipedrive
ramp
render
api.render.com
salesflare
api.salesflare.com
shortcut
api.app.shortcut.com @shortcut/client
todoist
api.todoist.com todoist-api-python @doist/todoist-api-typescript
together
api.together.xyz api.together.ai together together-ai
webflow
api.webflow.com webflow-api
webflow.com · spec · changelog
zendesk
api.smooch.io *.zendesk.com sunshine-conversations-client
Nothing in the register matches that.
Calling something that is not here?
The register grows by request, and a vendor that publishes a spec is usually a day's work to add.