Nasdaq Tape D API, OatFi $24M, Salt Illuminate
The API Changelog issue 2025.23
This is issue 2025.23 of the API Changelog, a mix of API news, commentary, and opinion. In this issue, you'll get to know the most relevant API-related information from the week of June 2, 2025. Subscribe now so you never miss an issue of the API Changelog.
News Highlight
Postman unveiled Agent Mode, an AI assistant that streamlines API tasks, morphing weeks of manual work into hours. Agent Mode facilitates API design, testing, and documentation via natural language, enhancing productivity and hastening product delivery.
Postman, the leading API collaboration platform, has introduced new capabilities to simplify the design, testing, deployment, and monitoring of AI agents and their relying APIs. The platform's internal data shows a growing trend of developers using more models and APIs, requiring rigorous evaluation and observability. Postman has introduced new capabilities at POST/CON 2025, including real-time observability for APIs, simplified testing with repro mode, and the world's first MCP server network. These tools enable developers to turn APIs into callable agent tools, discover reliable servers, and reduce security risk. Postman's API Network, home to over 18,000 publishers and 100,000+ APIs, is the foundation for agent adoption, ensuring both humans and agents can find, authenticate, and safely interact with live, production-ready APIs. See additional coverage on SD Times, AIthority and SiliconANGLE.
Also, Pynt, an AI-powered API security platform, has announced an integration with Postman to provide real-time security insights. This partnership embeds security into Postman workflows, streamlining developers' ability to detect and address vulnerabilities. See additional coverage on Kxan.
This issue of the API Changelog is sponsored by DreamFactory:
DreamFactory is the easiest way to automatically generate, publish, manage, and secure REST APIs, convert SOAP to REST, and aggregate disparate data sources through a single API platform.
Events
apidays is offering API Changelog readers a few free passes to the apidays Munich conference on July 2–3, 2025. This year’s program features dedicated tracks on APIOps Cycles and the API Economy, with sessions on governance, business models, and operational excellence.
Use code APICHANGELOG at checkout — only 10 free passes available.
Missed it? Use APICHANGELOG20 for 20% off.
Nordic APIs announces first speakers for Platform Summit 2025, emphasizing AI, next-gen API design, and security. The summit in Stockholm features industry experts discussing future-proofing API platforms and the AI intersection.
Announcements
SOFTSWISS has simplified Sportsbook integrations with a new API 2.0, streamlining endpoints and automatically adapting to new features. The updated API enhances flexibility, reduces integration efforts, and earned the platform top innovation awards at gaming summits.
Nasdaq has partnered with its subsidiary, Nasdaq Private Market, to offer the Tape D API, boosting transparency in the private markets. The Tape D API integrates with Nasdaq Data Link, providing real-time private market pricing to enhance investment decisions and capital raises.
Standards for Technology in Automotive Retail (STAR) released its first sales lead API to unify data across the car retail sector. The new API, part of a broader effort to map the auto sales process, promises enhanced data consistency and integration support.
Mistral recently upgraded its API to parallel features found in advanced LLMs, adding web search capabilities and Model Context Protocol support. Their Agents API now mirrors OpenAI's offering, allowing integration with MCP servers and enhanced web searches including news from AFP and AP.
WSO2 has acquired Moesif, incorporating advanced API analytics and monetization into its strategic growth plans. The acquisition allows Moesif to remain an independent subsidiary, bringing added value to WSO2's and Moesif's customer bases.
Swiipr has launched APIs for seamless digital airline compensation, promising swift integration and enhanced customer experience. The technology aims to simplify compensation procedures, offering cost savings and delivering real-time data insights to airlines.
Funding and M&A
Tide, the UK business financial platform, is nearing a funding round that could grant it unicorn status. Apis Partners may invest, although a final deal with Tide and other investors remains unconfirmed. See additional coverage on The Paypers.
OatFi, an API-first fintech, secured a $24 million Series A for modernizing B2B payment financing. The firm's APIs integrate with payment platforms, addressing cash flow issues by offering embedded financing solutions.
Decentro, an API banking platform from Bengaluru, raised Rs 30 crore in Series B funding to fuel its expansion. The startup intends to strengthen its core offerings and return its parent entity's domicile from Singapore to India. See additional coverage on IpoCentral.
AI
Healthie launches Dev Assist, a new open-source tool using Model Context Protocol, for easier healthcare app development. Dev Assist offers AI integration for quick GraphQL API implementations in development environments like Claude and VS Code.
OpenAI has introduced upgrades, including TypeScript support for its Agents SDK, and a new RealtimeAgent feature for voice applications. The SDK now offers improved real-time data tracking, while OpenAI plans to replace the Assistants API with the Responses API by 2026.
OpenAI-acquisiton target Windsurf reports reduced access to Anthropic's Claude models, causing potential service disruptions. Anthropic's decision follows their increased focus on internal AI coding applications and launch of direct competitors.
Social network X updated its developer agreement to block third-party training of language models with its data. The move follows xAI's acquisition of X and resembles actions by Reddit and The Browser Company to protect their data.
HappyCo unveiled an expanded multifamily operations platform with integrated AI and showcased innovations at NAA Apartmentalize 2025. The platform revolutionizes traditional maintenance by enabling data-driven decision-making and operational efficiency improvements.
Fintech
Aotearoa New Zealand's open banking reaches a milestone with the major banks including ANZ, ASB, BNZ, and Westpac NZ implementing the new Payment Initiation API standard. The standard, developed with stakeholders, introduces key features like enduring payment consent and decoupled authentication for more control in digital payments.
Kiwibank partners with fintech Wych to enhance open banking and vows not to charge for standard API requests. The bank's alignment with the Customer and Product Data Act 2025 sets a timeline for payment and account information API services.
Thunes has expanded its payment network to support direct bank transfers in Denmark, Norway, and Sweden. The expansion enhances speed and efficiency for cross-border transactions in the increasingly vital Nordic market.
Pocket Network launched the Shannon mainnet, pivoting to a permissionless API network and reaching nearly 1 trillion relays across 50+ blockchains. Shannon introduces protocol-level payments, incentivizes network participation, and enables Pocket to offer decentralized, cheaper data relay services with a utility-based token model.
Slabu Exchange unveiled its One-Click Institutional Onboarding Toolkit for quick, secure digital finance infrastructure access. The toolkit features KYC/AML checks, API security, custom risk parameters, and dedicated support to meet growing professional demand.
Security
A threat actor claims to sell a 428 million-record TikTok user database, with the breach's authenticity unconfirmed. Security experts worry about the routine exposure and potential misuse of such large-scale user data sets.
ZEST Security and Upwind have collaborated to offer an integration facilitating swift, AI-guided action from threat detection to remediation. The solution embeds automated remediation in cloud security workflows, enhancing responsiveness while feeding insights back into security policies. See additional coverage on SecurityBrief.
Salt Security launched Salt Illuminate, streamlining how enterprises secure their APIs by offering fast, tool-free deployment. The platform enhances visibility of all APIs, automates compliance checks, and ensures data security, aligning with various regulatory standards. See additional coverage on The Fast Mode.
Optus has unveiled API Connect, a platform assuring integrated communications through a network-first approach and partnership with Vonage. API Connect distinguishes itself by offering enterprise-grade capabilities like SMS and in-app chat directly from Optus's network, emphasizing security and compliance.
Akto unveiled Akto MCP Security, a pioneering solution to safeguard Model Context Protocol servers against emerging cyber threats. Developed with input from enterprise clients, this innovative platform features auto-detection of MCP servers, ongoing vulnerability assessment, and real-time threat detection. See additional coverage on MorningStar.
F5 and Red Hat are expanding their collaboration to deploy secure, high-performance AI apps with OpenShift AI integration. The partnership focuses on practical AI uses and securing data pipelines, highlighted at Red Hat Summit 2025.