Categories

APIs & Integrations

1. Superserve

Persistent & Secure sandboxes for your agents.

104

Domainee is a custom domains API that lets SaaS products offer white-label domains to their users in minutes instead of months - and even sell domains directly inside their app. Connecting a domain takes a single CNAME record, with SSL certificates, renewals, and DNS verification handled automatically, while the Buy-a-Domain API turns domain registration into one API call. The first 50 domains and 100 GB of bandwidth are free forever, with no credit card required.Key Features- One-CNAME setup with automatic SSL: End users add a single CNAME at their registrar, and Domainee issues and renews their certificate via Let's Encrypt on the first request — no DNS validation back-and-forth.- Buy-a-Domain API: Let users search for and purchase a domain without ever leaving your app. One API call registers the domain with your end user as the legal owner, configures DNS, and connects it to your product — at wholesale price plus a flat $1 fee, with your own markup on top.- Stripe-shaped REST API: POST /v1/domains creates a domain, returns the CNAME, and fires a domain.verified event over HMAC-signed webhooks the moment DNS lands. Bearer keys and idempotency keys included.- Full domain lifecycle endpoints: DNS, nameserver, and renewal management via API, so your users never have to log into a registrar.- Hosted MCP server for AI agents: Drop one config block into Claude, Cursor, or any AI agent and get 11 ready-made tools to list, create, and verify domains in plain English — no code change.- Real free tier: 50 custom domains and 100 GB of bandwidth every month, free forever. The free quota stays free even after you scale past it.Benefits- Ship custom domains the same day: What normally turns into a quarter-long infrastructure project — cert issuance, renewals, edge routing — becomes a copy-paste curl command.- New revenue stream from domain sales: Resell domain registration inside your own product with your own markup. Your users get their domain in one click; you keep the margin and the relationship.- No 2am cert emergencies: SSL issuance and renewal are fully managed, so your team never carries an on-call rotation for expired certificates or failed renewals.- Your users never leave your app: From purchasing a domain to managing DNS, nameservers, and renewals, everything happens through your product instead of a registrar dashboard.- Start free, pay only for usage: No trial expiry, no monthly minimum, no "contact sales." Every price and limit is published — from $0.20/domain/month, graduating down to $0.10 at scale.- Future-proof for AI workflows: Every endpoint exists as both a REST surface and an MCP tool, so your product and your AI agents can manage domains the same way.

APIs & Integrations Developer Tools SaaS

112

3. Serro AI

Serro maintains your team's shared program memory and keeps it live for everyone - humans and agent.

APIs & Integrations Productivity

4. Ai Zolo

All-in-One AI Subscription Starts HereStop juggling multiple AI subscriptions. With AiZolo, you get a single, affordable All-in-One AI Subscription that gives you access to everything you need.AI comparison platform.Start Comparing

Artificial Intelligence APIs & Integrations SaaS

5. Tokonomics

Tokonomics is an AI cost metering proxy that sits between your app and any LLM provider. Every API call is tracked, every token counted, and you get alerts before costs spiral. One URL change, no SDK, works with any language.Supports OpenAI, Anthropic, DeepSeek, Gemini, Mistral, Groq, xAI, and any OpenAI-compatible API. Features include real-time cost tracking with 8-decimal USD precision, budget alerts via email, Slack, and Teams, hard spending caps that block requests at the API level, tag-based cost attribution by team, feature, or customer, and a full analytics dashboard.Free plan includes 100 API calls per month. Pro plan at $49/mo gives unlimited calls, unlimited alerts, hard caps, and 90-day data retention.

Artificial Intelligence APIs & Integrations Developer Tools

6. FleetProxy

FleetProxy delivers proxy infrastructure built for developers and data teams who need requests that get through. Choose residential, rotating mobile LTE, static ISP, or datacenter proxies across 200+ locations worldwide. Mobile proxies anchor the lineup with carrier-grade IP reputation that hard targets respect, while datacenter options handle high-volume jobs at low cost. You get country-level targeting, flexible session control, and simple authentication that has your first request routed in minutes. Plans scale from a single project to enterprise workloads, covering web scraping, ad verification, price monitoring, and market research.

APIs & Integrations Developer Tools Security

7. RoundOS | AI fundraising CRM for founder-led rounds

RoundOS is an AI fundraising CRM for founder-led rounds. It connects email, calendar, meeting notes, LinkedIn exports, investor lists, decks, and spreadsheets into one live round context. RoundOS enriches investors and funds, maps warm paths, tracks conversations, spots stale threads, ranks next moves, and drafts follow-ups, investor updates, and meeting prep.

Artificial Intelligence APIs & Integrations SaaS

104

8. SophieFlow

## SophieFlow — AI Social Media Management PlatformSophieFlow replaces every tool in your social media stack with one AI-powered workspace.The problem it solves:Most marketers, creators and agencies are juggling 5+ tools just to publish one post — a writer, a design tool, a scheduler, an analytics platform, and still posting manually on half the platforms. SophieFlow eliminates all of that.How it works:Type one prompt describing your brand or campaign idea. SophieFlow writes platform-native content in your brand voice, generates on-brand images using your exact brand colors, and publishes simultaneously across 12+ platforms.Platforms supported:Instagram, Facebook, LinkedIn, TikTok, Twitter/X, YouTube, Threads, Pinterest, Google Business Profile and more.Key features:- SophieAI — conversational campaign builder that creates a full month of content from one sentence- Brand Voice AI — learns your tone, style and personality and applies it to every post- AI Image Generation — creates on-brand visuals using your exact brand colors automatically- Smart Scheduler — publishes at optimal times per platform automatically- Unified Social Inbox — all comments, DMs and mentions from every platform in one place- Analytics Dashboard — performance data across all platforms in one view- Content Calendar — visual planning and scheduling across all accounts- Team Collaboration — roles, permissions and client approval workflows- Automation Workflows — trigger-based content automation- White Label — full rebrand for agenciesWhat SophieFlow replaces:Buffer or Hootsuite + Canva + ChatGPT + a separate analytics tool — all in one workspace starting at $19/month.Built for:Solo creators, marketing teams, digital agencies and anyone who manages social media for multiple brands or clients.

Artificial Intelligence APIs & Integrations SaaS

104

9. Online Whiteboard

OnlineWhiteboard.co is a simple browser-based whiteboard tool designed for quick visual collaboration. It lets users create and share a canvas in seconds, making it useful for brainstorming, teaching, meetings, planning, and remote team discussions. The platform focuses on speed and ease of use, so users do not need a complicated setup before they start sketching ideas or working together. OnlineWhiteboard.co can be helpful for students, teachers, designers, product teams, and clients who need a lightweight space to explain concepts visually. Its main appeal is instant collaboration without the friction of heavy design or project-management tools.

APIs & Integrations Productivity Prototyping

109

10. Best Temp Mail

Best Temp Mail – Deliverability-Focused Temporary Email PlatformReliable Temporary Email Built for Real Inbox DeliveryBest Temp Mail is a deliverability-first temporary email platform designed to solve one of the biggest issues users face with disposable email services: missing emails. Many temporary inbox providers fail to deliver verification codes, OTPs, and account activation emails due to poor infrastructure and weak authentication settings. Best Temp Mail addresses this problem by using properly configured email infrastructure focused on reliability, security, and consistent inbox access.The platform implements industry-standard email authentication and security technologies, including SPF, DMARC with a reject policy, TLS encryption, and reverse DNS configuration. These systems help ensure that incoming emails are securely delivered and accepted by the platform without unnecessary rejection or filtering.Instant Disposable Inboxes with Flexible AccessBest-TempMail.com allows users to create instant temporary inboxes within seconds. The service is ideal for account verification, software testing, online registrations, development workflows, and protecting personal email addresses from spam.Users can choose between:Short-Term Temporary Inboxes10-minute disposable email addressesQuick OTP and verification code accessFast sign-ups and one-time registrationsExtended Temporary InboxesInbox access for multiple daysIdeal for ongoing testing or temporary projectsAbility to extend inbox lifespan when neededCross-Device Session AccessThe platform also supports seamless cross-device access through QR-based session sharing. Users can continue using the same inbox on mobile, desktop, or tablet devices without creating accounts or managing passwords.Privacy-First Tools for Developers and TeamsIn addition to temporary email services, Best Temp Mail offers a growing collection of productivity, security, and developer-focused tools. The platform currently includes more than 45 built-in utilities, with plans to expand to over 200 tools in the future.Included Tools and FeaturesEmail authentication testingDNS analysis toolsBlacklist monitoringEmail validation utilitiesJSON formatting and beautifyingHashing and encoding toolsData conversion utilitiesDeveloper workflow helpersA major advantage of the platform is its privacy-first architecture. Many tools run entirely client-side, meaning user data is processed locally in the browser instead of being stored on external servers. This approach improves privacy, security, and overall trust.Built for Modern WorkflowsBest Temp Mail is designed for:DevelopersQA testersStartupsCybersecurity professionalsBusinesses and remote teamsPrivacy-conscious usersWhether users need secure disposable inboxes for application testing, temporary account registrations, or spam protection, the platform combines reliable email delivery, advanced security standards, and workflow efficiency into one complete solution.Why Best Temp Mail Stands OutKey BenefitsDeliverability-focused infrastructureSecure email authentication setupInstant disposable inbox creationFlexible inbox expiration optionsCross-device QR session sharingPrivacy-first client-side toolsGrowing ecosystem of developer utilitiesNo unnecessary account creationBest Temp Mail is more than just a temporary email service. It is a complete platform built around reliable email access, privacy, security, and productivity for modern users and development teams.

APIs & Integrations Developer Tools SaaS

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Categories

APIs & Integrations

1. Superserve

2. Domainee

3. Serro AI

4. Ai Zolo

5. Tokonomics

6. FleetProxy

7. RoundOS | AI fundraising CRM for founder-led rounds

8. SophieFlow

9. Online Whiteboard

10. Best Temp Mail

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Quick Access

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APIs & Integrations

1. Superserve

2. Domainee

3. Serro AI

4. Ai Zolo

5. Tokonomics

6. FleetProxy

7. RoundOS | AI fundraising CRM for founder-led rounds

8. SophieFlow

9. Online Whiteboard

10. Best Temp Mail